Data Package Metadata View Summary

Seasonal Ice Mass-balance Buoy (SIMB) measurements from sites along the Beaufort Sea Coast, Alaska, 2018-ongoing

General Information

Data Package:
Local Identifier:	knb-lter-ble.8.2
Title:	Seasonal Ice Mass-balance Buoy (SIMB) measurements from sites along the Beaufort Sea Coast, Alaska, 2018-ongoing
Alternate Identifier:	DOI PLACE HOLDER
Abstract:	Planck, C. J., J. Whitlock, C. Polashenski, and D. Perovich (2019), The evolution of the seasonal ice mass balance buoy, Cold Regions Science and Technology, 165, 102792, doi: https://doi.org/10.1016/j.coldregions.2019.102792. Measurements of the thickness of sea ice and the depth of its snow cover allow us to calculate how their mass changes in response to the varying fluxes of heat between the ocean and atmosphere over the course of a season. Repeated drill measurements are not ideal for this purpose since each drill hole disturbs the ice and its insulating snow cover. Also, spatial variability in ice thickness can mask temporal changes if holes are not drilled in the same place each time. Hence, methods that do not require re-drilling are preferred. Automated systems such as the Seasonal Ice Mass-balance Buoy (SIMB; Planck et al, 2019) provide high temporal resolution for capturing sub-daily variations and typically include sensor strings to measure the vertical temperature profile from the air to the ocean, which can be used to infer other properties of the ice cover such as strength and porosity. Under the Beaufort Lagoon Ecosystems LTER (BLE LTER) research program, several SIMBs are deployed at sites along the Beaufort Sea coast and record a suite of parameters including but not limited to snow depth, ice thickness, position of ice surface and bottom, water/air temperature, and vertical profiles of temperature.
Short Name:	simb
Publication Date:	2020
Language:	English

Time Period

Begin:

2018-12-18

End:

2019-06-11

People and Organizations
Contact:	Information Manager (Beaufort Lagoon Ecosystems LTER) [ email ]
Organization:	Beaufort Lagoon Ecosystems LTER
Creator:	Mahoney, Andrew R (The University of Alaska at Fairbanks)
Creator:	Polashenski, Christopher M (Dartmouth College)
Creator:	Hutchings, Jennifer K (Oregon State University)

Data Entities
Data Table Name:	SIMB data, Elson Lagoon
Description:	Measurements collected by a Seasonal Ice Mass-balance Buoy (SIMB) deployed at Elson Lagoon
Data Table Name:	Deployment information
Description:	Info on deployment details: pinger height and depth, sensor spacing, etc.

Detailed Metadata

Data Entities

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/knb-lter-ble/8/2/076bb3849c70c2ba02a5756ca2a714b9
Name:	SIMB data, Elson Lagoon
Description:	Measurements collected by a Seasonal Ice Mass-balance Buoy (SIMB) deployed at Elson Lagoon
Number of Records:	4641
Number of Columns:	218

Table Structure

Object Name:

BLE_LTER_SIMB_Elson.csv

Size:

6105214 byte

Authentication:

bff063c22c8d3e839855812f6806b0a7 Calculated By MD5

Text Format:

Number of Header Lines:

Number of Foot Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

wdt_counter

program_version

time_stamp

time_stamp_str

z_top

z_bot

Hs_filt

Hi_filt

z_top_filt

z_bot_filt

latitude

longitude

air_temp

air_pressure

water_depth

water_temp

snow_distance

pitch

roll

heading

battery_voltage

gps_satellites

iridium_signal

iridium_retries

dtc_values_0

dtc_values_1

dtc_values_2

dtc_values_3

dtc_values_4

dtc_values_5

dtc_values_6

dtc_values_7

dtc_values_8

dtc_values_9

dtc_values_10

dtc_values_11

dtc_values_12

dtc_values_13

dtc_values_14

dtc_values_15

dtc_values_16

dtc_values_17

dtc_values_18

dtc_values_19

dtc_values_20

dtc_values_21

dtc_values_22

dtc_values_23

dtc_values_24

dtc_values_25

dtc_values_26

dtc_values_27

dtc_values_28

dtc_values_29

dtc_values_30

dtc_values_31

dtc_values_32

dtc_values_33

dtc_values_34

dtc_values_35

dtc_values_36

dtc_values_37

dtc_values_38

dtc_values_39

dtc_values_40

dtc_values_41

dtc_values_42

dtc_values_43

dtc_values_44

dtc_values_45

dtc_values_46

dtc_values_47

dtc_values_48

dtc_values_49

dtc_values_50

dtc_values_51

dtc_values_52

dtc_values_53

dtc_values_54

dtc_values_55

dtc_values_56

dtc_values_57

dtc_values_58

dtc_values_59

dtc_values_60

dtc_values_61

dtc_values_62

dtc_values_63

dtc_values_64

dtc_values_65

dtc_values_66

dtc_values_67

dtc_values_68

dtc_values_69

dtc_values_70

dtc_values_71

dtc_values_72

dtc_values_73

dtc_values_74

dtc_values_75

dtc_values_76

dtc_values_77

dtc_values_78

dtc_values_79

dtc_values_80

dtc_values_81

dtc_values_82

dtc_values_83

dtc_values_84

dtc_values_85

dtc_values_86

dtc_values_87

dtc_values_88

dtc_values_89

dtc_values_90

dtc_values_91

dtc_values_92

dtc_values_93

dtc_values_94

dtc_values_95

dtc_values_96

dtc_values_97

dtc_values_98

dtc_values_99

dtc_values_100

dtc_values_101

dtc_values_102

dtc_values_103

dtc_values_104

dtc_values_105

dtc_values_106

dtc_values_107

dtc_values_108

dtc_values_109

dtc_values_110

dtc_values_111

dtc_values_112

dtc_values_113

dtc_values_114

dtc_values_115

dtc_values_116

dtc_values_117

dtc_values_118

dtc_values_119

dtc_values_120

dtc_values_121

dtc_values_122

dtc_values_123

dtc_values_124

dtc_values_125

dtc_values_126

dtc_values_127

dtc_values_128

dtc_values_129

dtc_values_130

dtc_values_131

dtc_values_132

dtc_values_133

dtc_values_134

dtc_values_135

dtc_values_136

dtc_values_137

dtc_values_138

dtc_values_139

dtc_values_140

dtc_values_141

dtc_values_142

dtc_values_143

dtc_values_144

dtc_values_145

dtc_values_146

dtc_values_147

dtc_values_148

dtc_values_149

dtc_values_150

dtc_values_151

dtc_values_152

dtc_values_153

dtc_values_154

dtc_values_155

dtc_values_156

dtc_values_157

dtc_values_158

dtc_values_159

dtc_values_160

dtc_values_161

dtc_values_162

dtc_values_163

dtc_values_164

dtc_values_165

dtc_values_166

dtc_values_167

dtc_values_168

dtc_values_169

dtc_values_170

dtc_values_171

dtc_values_172

dtc_values_173

dtc_values_174

dtc_values_175

dtc_values_176

dtc_values_177

dtc_values_178

dtc_values_179

dtc_values_180

dtc_values_181

dtc_values_182

dtc_values_183

dtc_values_184

dtc_values_185

dtc_values_186

dtc_values_187

dtc_values_188

dtc_values_189

dtc_values_190

dtc_values_191

Column Name:

wdt_counter

program_version

time_stamp_day

time_stamp_str

Hs_m

Hi_m

z_top_m

z_bot_m

Hs_filt_m

Hi_filt_m

z_top_filt_m

z_bot_filt_m

latitude

longitude

air_temp_C

air_pressure_mbar

water_depth_m

water_temp_C

snow_distance_m

pitch_degree

roll_degree

heading_degree

battery_voltage_V

gps_satellites

iridium_signal

iridium_retries

dtc_values_0_C

dtc_values_1_C

dtc_values_2_C

dtc_values_3_C

dtc_values_4_C

dtc_values_5_C

dtc_values_6_C

dtc_values_7_C

dtc_values_8_C

dtc_values_9_C

dtc_values_10_C

dtc_values_11_C

dtc_values_12_C

dtc_values_13_C

dtc_values_14_C

dtc_values_15_C

dtc_values_16_C

dtc_values_17_C

dtc_values_18_C

dtc_values_19_C

dtc_values_20_C

dtc_values_21_C

dtc_values_22_C

dtc_values_23_C

dtc_values_24_C

dtc_values_25_C

dtc_values_26_C

dtc_values_27_C

dtc_values_28_C

dtc_values_29_C

dtc_values_30_C

dtc_values_31_C

dtc_values_32_C

dtc_values_33_C

dtc_values_34_C

dtc_values_35_C

dtc_values_36_C

dtc_values_37_C

dtc_values_38_C

dtc_values_39_C

dtc_values_40_C

dtc_values_41_C

dtc_values_42_C

dtc_values_43_C

dtc_values_44_C

dtc_values_45_C

dtc_values_46_C

dtc_values_47_C

dtc_values_48_C

dtc_values_49_C

dtc_values_50_C

dtc_values_51_C

dtc_values_52_C

dtc_values_53_C

dtc_values_54_C

dtc_values_55_C

dtc_values_56_C

dtc_values_57_C

dtc_values_58_C

dtc_values_59_C

dtc_values_60_C

dtc_values_61_C

dtc_values_62_C

dtc_values_63_C

dtc_values_64_C

dtc_values_65_C

dtc_values_66_C

dtc_values_67_C

dtc_values_68_C

dtc_values_69_C

dtc_values_70_C

dtc_values_71_C

dtc_values_72_C

dtc_values_73_C

dtc_values_74_C

dtc_values_75_C

dtc_values_76_C

dtc_values_77_C

dtc_values_78_C

dtc_values_79_C

dtc_values_80_C

dtc_values_81_C

dtc_values_82_C

dtc_values_83_C

dtc_values_84_C

dtc_values_85_C

dtc_values_86_C

dtc_values_87_C

dtc_values_88_C

dtc_values_89_C

dtc_values_90_C

dtc_values_91_C

dtc_values_92_C

dtc_values_93_C

dtc_values_94_C

dtc_values_95_C

dtc_values_96_C

dtc_values_97_C

dtc_values_98_C

dtc_values_99_C

dtc_values_100_C

dtc_values_101_C

dtc_values_102_C

dtc_values_103_C

dtc_values_104_C

dtc_values_105_C

dtc_values_106_C

dtc_values_107_C

dtc_values_108_C

dtc_values_109_C

dtc_values_110_C

dtc_values_111_C

dtc_values_112_C

dtc_values_113_C

dtc_values_114_C

dtc_values_115_C

dtc_values_116_C

dtc_values_117_C

dtc_values_118_C

dtc_values_119_C

dtc_values_120_C

dtc_values_121_C

dtc_values_122_C

dtc_values_123_C

dtc_values_124_C

dtc_values_125_C

dtc_values_126_C

dtc_values_127_C

dtc_values_128_C

dtc_values_129_C

dtc_values_130_C

dtc_values_131_C

dtc_values_132_C

dtc_values_133_C

dtc_values_134_C

dtc_values_135_C

dtc_values_136_C

dtc_values_137_C

dtc_values_138_C

dtc_values_139_C

dtc_values_140_C

dtc_values_141_C

dtc_values_142_C

dtc_values_143_C

dtc_values_144_C

dtc_values_145_C

dtc_values_146_C

dtc_values_147_C

dtc_values_148_C

dtc_values_149_C

dtc_values_150_C

dtc_values_151_C

dtc_values_152_C

dtc_values_153_C

dtc_values_154_C

dtc_values_155_C

dtc_values_156_C

dtc_values_157_C

dtc_values_158_C

dtc_values_159_C

dtc_values_160_C

dtc_values_161_C

dtc_values_162_C

dtc_values_163_C

dtc_values_164_C

dtc_values_165_C

dtc_values_166_C

dtc_values_167_C

dtc_values_168_C

dtc_values_169_C

dtc_values_170_C

dtc_values_171_C

dtc_values_172_C

dtc_values_173_C

dtc_values_174_C

dtc_values_175_C

dtc_values_176_C

dtc_values_177_C

dtc_values_178_C

dtc_values_179_C

dtc_values_180_C

dtc_values_181_C

dtc_values_182_C

dtc_values_183_C

dtc_values_184_C

dtc_values_185_C

dtc_values_186_C

dtc_values_187_C

dtc_values_188_C

dtc_values_189_C

dtc_values_190_C

dtc_values_191_C

Definition:

A counter

SIMB program version

Observation time as decimal Julian Day. Times are in Alaska Daylight Time (AKDT) or UTC-08.

Observtion time in text format YYYY-MM-DDThh:mm:ss. Times are in Alaska Daylight Time (AKDT) or UTC-08.

Snow depth

Ice thickness

Position of ice surface relative to initial surface at deployment

Position of ice bottom relative to initial surface at deployment

Snow depth (median filtered)

Ice thickness (median filtered)

Position of ice surface relative to initial surface at deployment (median filtered)

Position of ice bottom relative to initial surface at deployment (median filtered)

Buoy latitude. Coordinates in WGS84 datum.

Buoy longitude. Coordinates in WGS84 datum.

Air temperature (DS18B20)

Barometric pressure (Bosch BME280)

Range to ice bottom

Water temperature

Range to upper snow/ice surface

Buoy pitch

Buoy roll

Buoy heading

Internal battery voltage

Number of GPS satellites in view

Iridium signal strength

Number of retries attempted

Temperature at digital temperature chain sensor # 1

Temperature at digital temperature chain sensor # 2

Temperature at digital temperature chain sensor # 3

Temperature at digital temperature chain sensor # 4

Temperature at digital temperature chain sensor # 5

Temperature at digital temperature chain sensor # 6

Temperature at digital temperature chain sensor # 7

Temperature at digital temperature chain sensor # 8

Temperature at digital temperature chain sensor # 9

Temperature at digital temperature chain sensor # 10

Temperature at digital temperature chain sensor # 11

Temperature at digital temperature chain sensor # 12

Temperature at digital temperature chain sensor # 13

Temperature at digital temperature chain sensor # 14

Temperature at digital temperature chain sensor # 15

Temperature at digital temperature chain sensor # 16

Temperature at digital temperature chain sensor # 17

Temperature at digital temperature chain sensor # 18

Temperature at digital temperature chain sensor # 19

Temperature at digital temperature chain sensor # 20

Temperature at digital temperature chain sensor # 21

Temperature at digital temperature chain sensor # 22

Temperature at digital temperature chain sensor # 23

Temperature at digital temperature chain sensor # 24

Temperature at digital temperature chain sensor # 25

Temperature at digital temperature chain sensor # 26

Temperature at digital temperature chain sensor # 27

Temperature at digital temperature chain sensor # 28

Temperature at digital temperature chain sensor # 29

Temperature at digital temperature chain sensor # 30

Temperature at digital temperature chain sensor # 31

Temperature at digital temperature chain sensor # 32

Temperature at digital temperature chain sensor # 33

Temperature at digital temperature chain sensor # 34

Temperature at digital temperature chain sensor # 35

Temperature at digital temperature chain sensor # 36

Temperature at digital temperature chain sensor # 37

Temperature at digital temperature chain sensor # 38

Temperature at digital temperature chain sensor # 39

Temperature at digital temperature chain sensor # 40

Temperature at digital temperature chain sensor # 41

Temperature at digital temperature chain sensor # 42

Temperature at digital temperature chain sensor # 43

Temperature at digital temperature chain sensor # 44

Temperature at digital temperature chain sensor # 45

Temperature at digital temperature chain sensor # 46

Temperature at digital temperature chain sensor # 47

Temperature at digital temperature chain sensor # 48

Temperature at digital temperature chain sensor # 49

Temperature at digital temperature chain sensor # 50

Temperature at digital temperature chain sensor # 51

Temperature at digital temperature chain sensor # 52

Temperature at digital temperature chain sensor # 53

Temperature at digital temperature chain sensor # 54

Temperature at digital temperature chain sensor # 55

Temperature at digital temperature chain sensor # 56

Temperature at digital temperature chain sensor # 57

Temperature at digital temperature chain sensor # 58

Temperature at digital temperature chain sensor # 59

Temperature at digital temperature chain sensor # 60

Temperature at digital temperature chain sensor # 61

Temperature at digital temperature chain sensor # 62

Temperature at digital temperature chain sensor # 63

Temperature at digital temperature chain sensor # 64

Temperature at digital temperature chain sensor # 65

Temperature at digital temperature chain sensor # 66

Temperature at digital temperature chain sensor # 67

Temperature at digital temperature chain sensor # 68

Temperature at digital temperature chain sensor # 69

Temperature at digital temperature chain sensor # 70

Temperature at digital temperature chain sensor # 71

Temperature at digital temperature chain sensor # 72

Temperature at digital temperature chain sensor # 73

Temperature at digital temperature chain sensor # 74

Temperature at digital temperature chain sensor # 75

Temperature at digital temperature chain sensor # 76

Temperature at digital temperature chain sensor # 77

Temperature at digital temperature chain sensor # 78

Temperature at digital temperature chain sensor # 79

Temperature at digital temperature chain sensor # 80

Temperature at digital temperature chain sensor # 81

Temperature at digital temperature chain sensor # 82

Temperature at digital temperature chain sensor # 83

Temperature at digital temperature chain sensor # 84

Temperature at digital temperature chain sensor # 85

Temperature at digital temperature chain sensor # 86

Temperature at digital temperature chain sensor # 87

Temperature at digital temperature chain sensor # 88

Temperature at digital temperature chain sensor # 89

Temperature at digital temperature chain sensor # 90

Temperature at digital temperature chain sensor # 91

Temperature at digital temperature chain sensor # 92

Temperature at digital temperature chain sensor # 93

Temperature at digital temperature chain sensor # 94

Temperature at digital temperature chain sensor # 95

Temperature at digital temperature chain sensor # 96

Temperature at digital temperature chain sensor # 97

Temperature at digital temperature chain sensor # 98

Temperature at digital temperature chain sensor # 99

Temperature at digital temperature chain sensor # 100

Temperature at digital temperature chain sensor # 101

Temperature at digital temperature chain sensor # 102

Temperature at digital temperature chain sensor # 103

Temperature at digital temperature chain sensor # 104

Temperature at digital temperature chain sensor # 105

Temperature at digital temperature chain sensor # 106

Temperature at digital temperature chain sensor # 107

Temperature at digital temperature chain sensor # 108

Temperature at digital temperature chain sensor # 109

Temperature at digital temperature chain sensor # 110

Temperature at digital temperature chain sensor # 111

Temperature at digital temperature chain sensor # 112

Temperature at digital temperature chain sensor # 113

Temperature at digital temperature chain sensor # 114

Temperature at digital temperature chain sensor # 115

Temperature at digital temperature chain sensor # 116

Temperature at digital temperature chain sensor # 117

Temperature at digital temperature chain sensor # 118

Temperature at digital temperature chain sensor # 119

Temperature at digital temperature chain sensor # 120

Temperature at digital temperature chain sensor # 121

Temperature at digital temperature chain sensor # 122

Temperature at digital temperature chain sensor # 123

Temperature at digital temperature chain sensor # 124

Temperature at digital temperature chain sensor # 125

Temperature at digital temperature chain sensor # 126

Temperature at digital temperature chain sensor # 127

Temperature at digital temperature chain sensor # 128

Temperature at digital temperature chain sensor # 129

Temperature at digital temperature chain sensor # 130

Temperature at digital temperature chain sensor # 131

Temperature at digital temperature chain sensor # 132

Temperature at digital temperature chain sensor # 133

Temperature at digital temperature chain sensor # 134

Temperature at digital temperature chain sensor # 135

Temperature at digital temperature chain sensor # 136

Temperature at digital temperature chain sensor # 137

Temperature at digital temperature chain sensor # 138

Temperature at digital temperature chain sensor # 139

Temperature at digital temperature chain sensor # 140

Temperature at digital temperature chain sensor # 141

Temperature at digital temperature chain sensor # 142

Temperature at digital temperature chain sensor # 143

Temperature at digital temperature chain sensor # 144

Temperature at digital temperature chain sensor # 145

Temperature at digital temperature chain sensor # 146

Temperature at digital temperature chain sensor # 147

Temperature at digital temperature chain sensor # 148

Temperature at digital temperature chain sensor # 149

Temperature at digital temperature chain sensor # 150

Temperature at digital temperature chain sensor # 151

Temperature at digital temperature chain sensor # 152

Temperature at digital temperature chain sensor # 153

Temperature at digital temperature chain sensor # 154

Temperature at digital temperature chain sensor # 155

Temperature at digital temperature chain sensor # 156

Temperature at digital temperature chain sensor # 157

Temperature at digital temperature chain sensor # 158

Temperature at digital temperature chain sensor # 159

Temperature at digital temperature chain sensor # 160

Temperature at digital temperature chain sensor # 161

Temperature at digital temperature chain sensor # 162

Temperature at digital temperature chain sensor # 163

Temperature at digital temperature chain sensor # 164

Temperature at digital temperature chain sensor # 165

Temperature at digital temperature chain sensor # 166

Temperature at digital temperature chain sensor # 167

Temperature at digital temperature chain sensor # 168

Temperature at digital temperature chain sensor # 169

Temperature at digital temperature chain sensor # 170

Temperature at digital temperature chain sensor # 171

Temperature at digital temperature chain sensor # 172

Temperature at digital temperature chain sensor # 173

Temperature at digital temperature chain sensor # 174

Temperature at digital temperature chain sensor # 175

Temperature at digital temperature chain sensor # 176

Temperature at digital temperature chain sensor # 177

Temperature at digital temperature chain sensor # 178

Temperature at digital temperature chain sensor # 179

Temperature at digital temperature chain sensor # 180

Temperature at digital temperature chain sensor # 181

Temperature at digital temperature chain sensor # 182

Temperature at digital temperature chain sensor # 183

Temperature at digital temperature chain sensor # 184

Temperature at digital temperature chain sensor # 185

Temperature at digital temperature chain sensor # 186

Temperature at digital temperature chain sensor # 187

Temperature at digital temperature chain sensor # 188

Temperature at digital temperature chain sensor # 189

Temperature at digital temperature chain sensor # 190

Temperature at digital temperature chain sensor # 191

Temperature at digital temperature chain sensor # 192

Storage Type:

integer

decimal

dateTime

decimal

integer

decimal

Measurement Type:

interval

ordinal

interval

dateTime

ratio

interval

ratio

interval

ratio

interval

ratio

ordinal

ratio

interval

Measurement Values Domain:

Unit	dimensionless
Type	integer

Definition

number

Unit	day
Type	real

Format	YYYY-MM-DDThh:mm:ss
Precision	1

Unit	meter
Precision	0.01
Type	real

Unit	meter
Precision	0.01
Type	real

Unit	meter
Precision	0.01
Type	real

Unit	meter
Precision	0.01
Type	real

Unit	meter
Precision	0.01
Type	real

Unit	meter
Precision	0.01
Type	real

Unit	meter
Precision	0.01
Type	real

Unit	meter
Precision	0.01
Type	real

Unit	degree
Type	real

Unit	degree
Type	real

Unit	celsius
Precision	0.0625
Type	real

Unit	millibar
Precision	0.01
Type	real

Unit	meter
Precision	0.01
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	meter
Precision	0.01
Type	real

Unit	degree
Type	real

Unit	degree
Type	real

Unit	degree
Type	real

Unit	volt
Precision	0.1
Type	real

Unit	dimensionless
Type	real

Definition

number

Unit	dimensionless
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
Type	real

Unit	celsius
Precision	0.125
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Missing Value Code:

Code	NA
Expl	not available/applicable

Code	NA
Expl	not available/applicable

Code	NA
Expl	not available/applicable

Code	NA
Expl	not available/applicable

Code	NA
Expl	not available/applicable

Code	NA
Expl	not available/applicable

Code	NA
Expl	not available/applicable

Code	NA
Expl	not available/applicable

Code	NA
Expl	not available/applicable

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/knb-lter-ble/8/2/c1d5bc7f73dbd04345e489e842c6e19e
Name:	Deployment information
Description:	Info on deployment details: pinger height and depth, sensor spacing, etc.
Number of Records:	1
Number of Columns:	8

Table Structure

Object Name:

BLE_LTER_SIMB_deployment_info.csv

Size:

208 byte

Authentication:

3524b4f9c4a9d6ac52791879155ec3f8 Calculated By MD5

Text Format:

Number of Header Lines:

Number of Foot Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

Site

Begin date

End date

Snow pinger height

Bottom pinger depth

Surface thermistor ID

Thermistor spacing

Median filtering window

Column Name:

site

begin_date

end_date

snow_pinger_height_m

bottom_pinger_depth_m

surface_thermistor_id

thermistor_spacing_m

median_filtering_window

Definition:

Site SIMB instrument was deployed

Begin date of data

End date of data

Height at initial deployment from upper rangefinder to upper ice surface

Depth at initial deployment from lower rangerfinder to bottom ice surface

ID at initial deployment of the thermistor located at upper ice surface

Spacing between consecutive thermistors

Number of samples in median filtering window

Storage Type:

string

dateTime

decimal

integer

decimal

integer

Measurement Type:

nominal

dateTime

ratio

interval

ratio

Measurement Values Domain:

Definition

any text

Format	YYYY-MM-DD
Precision	1

Format	YYYY-MM-DD
Precision	1

Unit	meter
Type	real

Unit	meter
Type	real

Unit	dimensionless
Type	integer

Unit	meter
Type	real

Unit	dimensionless
Type	integer

Missing Value Code:

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Package Usage Rights

This data package is released to the “public domain” under Creative Commons CC0 1.0 “No Rights Reserved” (see: https://creativecommons.org/publicdomain/zero/1.0/). It is considered professional etiquette to provide attribution of the original work if this data package is shared or utilized in whole or by individual components. A generic citation is provided for this data package on the website of the repository where these data were obtained in the summary metadata page.

Communication (and collaboration) with the creators of this data package is recommended to prevent duplicate research or publication. The Data User is urged to contact the authors of these data if any questions about methodology or results occur. The Data User should realize that these data may be actively used by others for ongoing research and that coordination may be necessary to prevent duplication or inappropriate use. The Data User should realize that misinterpretation may occur if data are used outside of the context of the original study. The Data User should be aware that periodic updates of this data package may be available from the website and it is the responsibility of the Data User to check for new versions of the data.

While substantial efforts are made to ensure the accuracy of data and associated documentation, complete accuracy cannot be guaranteed. This data package (with its components) is made available “as is” and with no warranty of accuracy or fitness for use. The creators of this data package and the repository where these data were obtained shall not be liable for any damages resulting from misinterpretation, use or misuse of the data package or its components. Thank you.

Keywords

By Thesaurus:
LTER Core Research Areas	disturbance patterns
LTER Controlled Vocabulary v1	ice, snow, snow depth, water depth, water temperature, winter
Geographic Names Information System	Elson Lagoon, Stefansson Sound
BLE LTER Controlled Vocabulary	Beaufort Lagoon Ecosystems LTER, BLE, LTER

Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

Methods and protocols used in the collection of this data package

Description:

This dataset was produced by a Seasonal Ice Mass-balance Buoy (SIMB), manufactured by Cryosphere Innovation (https://www.cryosphereinnovation.com) and described in detail by Planck et al (2019). A 192-sensor digital temperature chain measures the vertical temperature profile from the air through the ice and snow to the ocean. Two ice-facing acoustic rangefinders looking downward and upward above and below the ice, respectively, are used to measure snow depth and ice thickness. Sound speed corrections are made on board using air and water temperature measurements. The SIMB is also equipped with a barometric pressure sensor and a GPS for recording position. Data are telemetered in real time through an Iridium satellite link.

The buoy is typically deployed through a 25-cm hole drilled into seasonal ice during. Once floating or securely frozen in the hole, the initial distance from the down-looking rangefinder to the upper ice surface is measured. Snow depth is calculated from the difference between this distance and the distance measured to the snow surface by the rangefinder, which decreases as the snow deepens. Ablation of the upper surface of the ice is detected once the rangefinder measures a distance exceeding the initial distance to the ice surface measured at deployment. The distance between the two rangefinders is 4.05 m and this measurement is used to determine vertical position of the ice bottom based on the distance measured by the underwater upward looking rangefinder. The thickness of the sea ice is calculated from the distance between the upper and lower surfaces. By independently measuring the position of the upper and lower surfaces of the ice or snow, the SIMB can distinguish between surface and bottom melt during spring and summer.

Planck, C. J., J. Whitlock, C. Polashenski, and D. Perovich (2019), The evolution of the seasonal ice mass balance buoy, Cold Regions Science and Technology, 165, 102792, doi: https://doi.org/10.1016/j.coldregions.2019.102792.

People and Organizations

Publishers:

Organization:

Beaufort Lagoon Ecosystems LTER

Address:

750 Channel View Dr.,

Port Aransas, TX 78373 USA

Email Address:

BLE-IM@utexas.edu

Web Address:

https://ble.lternet.edu/

Creators:

Organization:

Beaufort Lagoon Ecosystems LTER

Address:

750 Channel View Dr.,

Port Aransas, TX 78373 USA

Email Address:

BLE-IM@utexas.edu

Web Address:

https://ble.lternet.edu/

Individual:

Andrew R Mahoney

Organization:

The University of Alaska at Fairbanks

Address:

1764 Tanana Loop,

Fairbanks, AK 99775 USA

Email Address:

armahoney@alaska.edu

Id:

https://orcid.org/0000-0002-8699-3175

Individual:

Christopher M Polashenski

Organization:

Dartmouth College

Address:

72 Lyme Road Cold Regions Research and Engineering Laboratory,

Hanover, NH 03755 USA

Email Address:

Christopher.M.Polashenski@Dartmouth.edu

Id:

https://orcid.org/0000-0001-6691-9384

Individual:

Jennifer K Hutchings

Organization:

Oregon State University

Address:

2651 SW Orchard Avenue,

Corvallis, OR 97331 USA

Email Address:

jennifer.hutchings@oregonstate.edu

Id:

https://orcid.org/0000-0003-1430-8236

Contacts:

Organization:

Beaufort Lagoon Ecosystems LTER

Position:

Information Manager

Address:

MC R8000 The University of Texas at Austin,

Austin, TX 78712 USA

Email Address:

BLE-IM@utexas.edu

Web Address:

https://ble.lternet.edu/

Metadata Providers:

Organization:

Beaufort Lagoon Ecosystems LTER

Address:

750 Channel View Dr.,

Port Aransas, TX 78373 USA

Email Address:

BLE-IM@utexas.edu

Web Address:

https://ble.lternet.edu/

Temporal, Geographic and Taxonomic Coverage

Temporal, Geographic and/or Taxonomic information that applies to all data in this dataset:

Time Period

Begin:

2018-12-18

End:

2019-06-11

Geographic Region:

Description:

Barrow (Utqiavik): Bounding box contains Elson Lagoon and nearby river sampling sites. Located in North Slope, Alaska, USA, close to Utqiaġvik (formerly Barrow). Coordinates based on WGS84 datum.

Bounding Coordinates:

Northern:	71.395000	Southern:	71.107110
Western:	-156.603000	Eastern:	-155.914000

Project

Parent Project Information:

Title:

LTER: Beaufort Sea Lagoons: An Arctic Coastal Ecosystem in Transition

Personnel:

Individual:

Kenneth Dunton

Organization:

The University of Texas at Austin, Marine Science Institute

Phone:

361-749-6744 (voice)

Email Address:

ken.dunton@utexas.edu

Id:

https://orcid.org/0000-0003-3498-8021

Role:

Lead Principal Investigator

Individual:

James McClelland

Organization:

The University of Texas at Austin, Marine Science Institute

Phone:

361-749-6756 (voice)

Email Address:

jimm@utexas.edu

Id:

https://orcid.org/0000-0001-9619-8194

Role:

Co-Lead Principal Investigator

Individual:

Byron Crump

Organization:

Oregon State University

Email Address:

bcrump@coas.oregonstate.edu

Id:

https://orcid.org/0000-0001-7062-1273

Role:

Co-Principal Investigator

Individual:

Amber Hardison

Organization:

Virginia Institute of Marine Science, College of William & Mary

Email Address:

akhardison@vims.edu

Id:

https://orcid.org/0000-0002-0891-3731

Role:

Co-Principal Investigator

Individual:

Katrin Iken

Organization:

University of Alaska Fairbanks

Email Address:

kbiken@alaska.edu

Id:

https://orcid.org/0000-0001-7961-1012

Role:

Co-Principal Investigator

Individual:

Jeremy Kasper

Organization:

University of Alaska Fairbanks

Email Address:

jlkasper@alaska.edu

Id:

https://orcid.org/0000-0003-0975-6114

Role:

Co-Principal Investigator

Individual:

Vanessa Lougheed

Organization:

The University of Texas at El Paso

Email Address:

vlougheed@utep.edu

Id:

https://orcid.org/0000-0002-6091-1151

Role:

Co-Principal Investigator

Individual:

Andrew Mahoney

Organization:

University of Alaska Fairbanks

Email Address:

armahoney@alaska.edu

Id:

https://orcid.org/0000-0002-8699-3175

Role:

Co-Principal Investigator

Individual:

Bailey McMeans

Organization:

University of Toronto Missisauga

Email Address:

bailey.mcmeans@utoronto.ca

Id:

https://orcid.org/0000-0002-9793-6811

Role:

Co-Principal Investigator

Individual:

Michael Rawlins

Organization:

University of Massachusetts Amherst

Email Address:

rawlins@geo.umass.edu

Id:

https://orcid.org/0000-0002-3323-8256

Role:

Co-Principal Investigator

Individual:

Yvette Spitz

Organization:

Oregon State University

Email Address:

yspitz@coas.oregonstate.edu

Id:

https://orcid.org/0000-0002-6026-4900

Role:

Co-Principal Investigator

Individual:

Craig Tweedie

Organization:

The University of Texas at El Paso

Email Address:

ctweedie@utep.edu

Id:

https://orcid.org/0000-0002-3409-8881

Role:

Co-Principal Investigator

Individual:

Christina Bonsell

Organization:

The University of Texas at Austin

Email Address:

cbonsell@utexas.edu

Id:

https://orcid.org/0000-0002-8564-0618

Role:

Project Manager

Individual:

Nathan McTigue

Organization:

The University of Texas at Austin

Email Address:

mctigue@utexas.edu

Id:

https://orcid.org/0000-0002-7686-7095

Role:

Project Manager

Individual:

Timothy Whiteaker

Organization:

The University of Texas at Austin

Email Address:

whiteaker@utexas.edu

Id:

https://orcid.org/0000-0002-1940-4158

Role:

Information Manager

Individual:

An T. Nguyen

Organization:

The University of Texas at Austin

Email Address:

enthusiast@utexas.edu

Id:

https://orcid.org/0000-0001-6519-0173

Role:

Information Manager

Abstract:

This project established a new Long Term Ecological Research (LTER) site along the Alaskan Arctic coastline. Research based out of Utqiagvik (formerly Barrow), Deadhorse, and Kaktovik will address how changes in shoreline erosion and freshwater inflows to the coastal ocean over seasonal, annual, and longer timeframes influence near-shore food webs. Research will be conducted in collaboration with local stakeholder groups and the U.S. Fish and Wildlife Service. This research will advance our fundamental understanding of how input of materials from land and oceanographic conditions interact to influence coastal food webs. It will also allow us to track and understand: 1) how natural climate cycles influence coastal ecosystems in the Arctic, and 2) how climate change effects such as permafrost thaw, shifting precipitation regimes, and losses of sea ice alter coastal ecosystems. Near-shore food webs along the Alaskan Arctic coastline support large populations of migratory fish and waterfowl that are essential to the culture of Iñupiat communities of northern Alaska. The research at this LTER site will create a framework for anticipating the impacts of future changes on the coastal ecosystem that are of great concern to these communities. Results from this LTER program will also be of interest to a broader science community that is working to understand potential connections between Arctic change and global carbon cycling. Finally, this LTER project includes a strong commitment to education through graduate and undergraduate student involvement, post-doctoral mentoring, continuation of a very successful Summer Science K-12 Program in Kaktovik, and establishment of a parallel K-12 program in Utqiagvik. In addition, this project will employ native high school seniors or recently graduated students living in Utqiagvik and Kaktovik as field research assistants.

Recent studies suggest that the ecological framework for understanding what controls food web structure needs to be expanded to include temporal forcing. More specifically, there is mounting evidence that differential availability of seasonally-distinct resources is critical for defining trophic linkages and maintaining stability and resilience of food webs. This new LTER program will use lagoons along the Alaskan Beaufort Sea coast as experimental units to test this concept, and broaden it to include temporal variations over longer timeframes. The Beaufort lagoons are ideal for testing this concept because they experience extreme variability in seasonal cycles, which are now subject to rapid directional shifts driven by climate change. Our overarching question is: How do variations in terrestrial inputs, local production, and exchange between lagoon and ocean waters over seasonal, inter-annual, inter-decadal, and longer timeframes interact to control food web structure through effects on carbon and nitrogen cycling, microbial and metazoan community composition, and trophic linkages? Arctic lagoons provide a unique opportunity to study these interactions in the absence of fringing wetlands that often modulate land-ocean interactions in other lagoon systems. In addition, barrier island geomorphology, which exerts a strong control on water exchange between lagoons and the open ocean, is highly dynamic in the Arctic because sea-ice effects on coastal geomorphology are superimposed on the effects of currents, sea level, and waves. Thus, connections between inputs from land and lagoon ecosystems are more direct, and water exchanges between lagoons and the open ocean are more variable than is typical of lower latitude systems. Specific study sites will be located in Elson Lagoon (western Beaufort), Simpson Lagoon and Stefansson Sound (central Beaufort), and Kaktovik and Jago lagoons (eastern Beaufort). The LTER will include seasonal field work during ice covered, ice break-up, and open water periods and also include sensor deployments for continuous measurements of key biogeochemical and hydrographic parameters.

Funding:

BLE LTER is supported by the National Science Foundation under award #1656026 (2017-08-01 to 2022-07-31).

Additional Award Information:

Funder:

National Science Foundation

Funder ID:

http://dx.doi.org/10.13039/100000001

Number:

1656026

Title:

LTER: Beaufort Sea Lagoons: An Arctic Coastal Ecosystem in Transition

URL:

https://www.nsf.gov/awardsearch/showAward?AWD_ID=1656026

Maintenance

Maintenance:

Description:	Dataset will be updated every year, normally scheduled for the fall and spring following field season.
Frequency:	annually

Other Metadata

Additional Metadata

additionalMetadata
        |___text '\n    '
        |___element 'metadata'
        |     |___text '\n      '
        |     |___element 'unitList'
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'abbreviation' = 'C'
        |     |     |     |  \___attribute 'constantToSI' = '273.18'
        |     |     |     |  \___attribute 'id' = 'celsius'
        |     |     |     |  \___attribute 'multiplierToSI' = '1'
        |     |     |     |  \___attribute 'name' = 'celsius'
        |     |     |     |  \___attribute 'parentSI' = 'kelvin'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text 'SI-derived unit of temperature'
        |     |     |     |___text '\n        '
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'abbreviation' = 'day'
        |     |     |     |  \___attribute 'id' = 'day'
        |     |     |     |  \___attribute 'multiplierToSI' = '86400'
        |     |     |     |  \___attribute 'name' = 'day'
        |     |     |     |  \___attribute 'parentSI' = 'second'
        |     |     |     |  \___attribute 'unitType' = 'time'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text 'day (86400 seconds)'
        |     |     |     |___text '\n        '
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'abbreviation' = 'degree'
        |     |     |     |  \___attribute 'id' = 'degree'
        |     |     |     |  \___attribute 'multiplierToSI' = '0.0174532924'
        |     |     |     |  \___attribute 'name' = 'degree'
        |     |     |     |  \___attribute 'parentSI' = 'radian'
        |     |     |     |  \___attribute 'unitType' = 'angle'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text '360 degrees comprise a unit circle.'
        |     |     |     |___text '\n        '
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'dimensionless'
        |     |     |     |  \___attribute 'name' = 'dimensionless'
        |     |     |     |  \___attribute 'unitType' = 'dimensionless'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text 'a designation asserting the absence of an associated unit'
        |     |     |     |___text '\n        '
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'abbreviation' = 'm'
        |     |     |     |  \___attribute 'id' = 'meter'
        |     |     |     |  \___attribute 'multiplierToSI' = '1'
        |     |     |     |  \___attribute 'name' = 'meter'
        |     |     |     |  \___attribute 'unitType' = 'length'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text 'SI unit of length'
        |     |     |     |___text '\n        '
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'abbreviation' = 'mbar'
        |     |     |     |  \___attribute 'id' = 'millibar'
        |     |     |     |  \___attribute 'multiplierToSI' = '100'
        |     |     |     |  \___attribute 'name' = 'millibar'
        |     |     |     |  \___attribute 'parentSI' = 'pascal'
        |     |     |     |  \___attribute 'unitType' = 'pressure'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text 'millibar'
        |     |     |     |___text '\n        '
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'abbreviation' = 'V'
        |     |     |     |  \___attribute 'id' = 'volt'
        |     |     |     |  \___attribute 'multiplierToSI' = '1'
        |     |     |     |  \___attribute 'name' = 'volt'
        |     |     |     |  \___attribute 'unitType' = 'potentialDifference'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text 'volt'
        |     |     |     |___text '\n        '
        |     |     |___text '\n      '
        |     |___text '\n    '
        |___text '\n  '

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Data Package Metadata View Summary

Seasonal Ice Mass-balance Buoy (SIMB) measurements from sites along the Beaufort Sea Coast, Alaska, 2018-ongoing

Data Entities

Data Table

Data Table

Data Package Usage Rights

Keywords

Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

People and Organizations

Temporal, Geographic and Taxonomic Coverage

Project

Parent Project Information:

Maintenance

Additional Metadata

Recently Added

Recently Updated

Data Package Metadata View Summary

Seasonal Ice Mass-balance Buoy (SIMB) measurements from sites along the Beaufort Sea Coast, Alaska, 2018-ongoing

+/- Data Entities

Data Table

Data Table

+/- Data Package Usage Rights

+/- Keywords

+/- Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

+/- People and Organizations

+/- Temporal, Geographic and Taxonomic Coverage

+/- Project

Parent Project Information:

+/- Maintenance

+/- Additional Metadata

Data Entities

Data Package Usage Rights

Keywords

Methods and Protocols

People and Organizations

Temporal, Geographic and Taxonomic Coverage

Project

Maintenance

Additional Metadata