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SBC LTER: Comparison between spherical and planar light sensors

General Information
Data Package:
Local Identifier:knb-lter-sbc.128.4
Title:SBC LTER: Comparison between spherical and planar light sensors
Alternate Identifier:DOI PLACE HOLDER
Abstract:

Seafloor irradiance in permanent plots at three subtidal reefs off Santa Barbara, California was compared in spring 2016 using data collected from paired planar and spherical PAR sensors. The three reefs (Isla Vista 34°23.275’N, 119°32.792’W; Mohawk 34°23.649’N, 119°43.762’W; and Naples 34°25.342’N, 119°57.102’W) ranged in depth from 5.8 m to 8.9 m (MLLW) and were chosen to represent a range of physical and biological characteristics. The purpose of the comparison was to develop a method for calibrating irradiance data collected from the two types of sensors.

Short Name:two light sensors comparison
Publication Date:2019-11-26
Language:English

Time Period
Begin:
2016-02-23
End:
2016-04-20

People and Organizations
Contact:Information Manager, Santa Barbara Coastal LTER [  email ]
Organization:Santa Barbara Coastal LTER
Creator:Reed, Daniel C 

Data Entities
Data Table Name:
Two light sensors reading comparison
Description:
Measurments from two types of light sensors deployed at the same location
Detailed Metadata

Data Entities

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-sbc/128/4/1c7335a37b5cf7b3d0ff89458c0e6c24
Name:Two light sensors reading comparison
Description:Measurments from two types of light sensors deployed at the same location
Number of Records:3476
Number of Columns:7

Table Structure
Object Name:Final_Light_Sensor_Comparison_Dataset.csv
Size:113281 byte
Authentication:c592c93c27a2aaa69ba49b929e88f8d5 Calculated By MD5
Text Format:
Number of Header Lines:1
Record Delimiter:\r\n
Orientation:column
Simple Delimited: no
Field Delimiter:,

Table Column Descriptions
 Site NameTransect NumberDateTimeQuarter hourSpherical IrradiancePlanar Irradiance
Column Name:SITE  
TRANSECT  
DATE_LOCAL  
TIME_LOCAL  
QUARTER_HOUR  
LIGHT_SPHERICAL  
LIGHT_PLANAR  
Definition:Name of reef siteTransectDate of light recording in local time (Los Angeles)Time of light recording in local time (Los Angeles)The quarter in a hourLight reading from spherical sensorLight reading from planar flat sensor
Storage Type:string  
string  
string  
string  
float  
float  
float  
Measurement Type:nominalnominaldateTimedateTimeratioratioratio
Measurement Values Domain:
Definitionany text
Definitionany text
FormatYYYY-MM-DD
Precision1
Formathh
Precision1
Unitnumber
Precision1
Typeinteger
UnitmicromolePerMeterSquaredPerSecond
Precision1e-08
Typereal
UnitmicromolePerMeterSquaredPerSecond
Precision1e-08
Typereal
Missing Value Code:          
Code-99999
Explvalue not recorded or not available
Code-99999
Explvalue not recorded or not available
Accuracy Report:              
Accuracy Assessment:              
Coverage:              
Methods:              

Data Package Usage Rights

This data package is released under the Creative Commons License Attribution 4.0 International (CC BY 4.0, see https://creativecommons.org/licenses/by/4.0/). This license states that consumers ("Data Users" herein) may distribute, adapt, reuse, remix, and build upon this work, as long as they give appropriate credit, provide a link to the license, and indicate if changes were made. If redistributed, a Data User may not apply additional restrictions or technological measures that prevent access.

The Data User has an ethical obligation to cite the data source appropriately in any publication or product that results from its use, and notify the data contact or creator. Communication, collaboration, or co-authorship (as appropriate) with the creators of this data package is encouraged 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 data are updated periodically 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 of data sets 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.

Keywords

By Thesaurus:
LTER Controlled Vocabulary v1irradiance, light, LTER, marine, photosynthetically active radiation, Santa Barbara Coastal
SBC-LTER Controlled VocabularyKelp Forest, Physical Oceanography
Global Change Master Directory (GCMD) v6.0.0.0.0Irradiance
noneLTER

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:

Please see the protocol below for details.

Protocol:
Author: Reed
Title: Light Sensors reading comparison
Url:http://sbc.lternet.edu/external/Reef/Protocols/Light/Light_Sensor_Compare_Protocol_20191115.pdf

People and Organizations

Publishers:
Organization:Santa Barbara Coastal Long Term Ecological Research Project
Creators:
Organization:Santa Barbara Coastal LTER
Address:
Marine Science Institute University of California,
Santa Barbara, CA 93106 USA
Email Address:
sbclter@msi.ucsb.edu
Individual: Daniel C Reed
Address:
Marine Science Institute University of California,
Santa Barbara, CA 93106-6150 US
Phone:
805-893-8363
Email Address:
dan.reed@lifesci.ucsb.edu
Id:https://orcid.org/0000-0003-3015-8717
Contacts:
Position:Information Manager, Santa Barbara Coastal LTER
Address:
Marine Science Institute,
University of California,
Santa Barbara, California 93106-6150 United States
Phone:
805 893 2071 (voice)
Email Address:
sbclter@msi.ucsb.edu
Web Address:
http://sbc.lternet.edu

Temporal, Geographic and Taxonomic Coverage

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

Time Period
Begin:
2016-02-23
End:
2016-04-20
Sampling Site: 
Description:MOHK: Mohawk Reef: Mohawk Reef depth ranges from 4.5m to 6.0 m. Reference on land is Mohawk Rd / Edgewater Way.
Site Coordinates:
Longitude (degree): -119.72957Latitude (degree): 34.3940708
Sampling Site: 
Description:NAPL: Naples Reef is located on the Santa Barbara Channel near the community of Naples and Dos Pueblos Canyon, Santa Barbara County, CA. Depth ranges from -5.9 to -13.4 meters.
Site Coordinates:
Longitude (degree): -119.95154Latitude (degree): 34.4221216
Sampling Site: 
Description:IVEE: Isla Vista (IV) Reef is located on the Santa Barbara Channel near the University of California Santa Barbara, CA. Depth range is from -8.2 to -8.8 meters.
Site Coordinates:
Longitude (degree): -119.85755Latitude (degree): 34.402783

Project

Parent Project Information:

Title:Santa Barbara Coastal Long Term Ecological Research Project
Personnel:
Individual:Dr. Robert Miller
Address:
Marine Science Institute,
University of California,
Santa Barbara, California 93106-6150 United States
Phone:
805 893 6174 (voice)
Email Address:
miller@msi.ucsb.edu
Role:Principal Investigator
Individual:Dr. Dan Reed
Address:
Marine Science Institute,
University of California,
Santa Barbara, California 93106-6150 United States
Phone:
805 893 8363 (voice)
Email Address:
dan.reed@lifesci.ucsb.edu
Role:Co-principal Investigator
Individual:Dr. Adrian Stier
Address:
Department of Ecology, Evolution and Marine Biology,
University of California,
Santa Barbara, California 93106-9260 United States
Phone:
805 893 5467 (voice)
Email Address:
adrian.stier@lifesci.ucsb.edu
Role:Co-principal Investigator
Individual:Dr. Gretchen Hoffman
Address:
Department of Ecology, Evolution and Marine Biology,
University of California,
Santa Barbara, California 93106-9620 United States
Phone:
805 893 6175 (voice)
Email Address:
hofmann@lifesci.ucsb.edu
Role:Co-principal Investigator
Individual:Dr. David Siegel
Address:
Institute for Computational Earth System Science,
University of California,
Santa Barbara, California 93106-3060 United States
Phone:
805 893 4547 (voice)
Email Address:
davey@icess.ucsb.edu
Role:Co-principal Investigator
Abstract:

The primary research objective of the Santa Barbara Coastal LTER is to investigate the importance of land and ocean processes in structuring giant kelp (Macrocystis pyrifera ) forest ecosystems. As in many temperate regions, the shallow rocky reefs in the Santa Barbara Channel, California, are dominated by giant kelp forests. Because of their close proximity to shore, kelp forests are influenced by physical and biological processes occurring on land as well as in the open ocean. SBC LTER research focuses on measuring and modeling the patterns, transport, and processing of material constituents (e.g., nutrients, carbon, sediment, organisms, and pollutants) from terrestrial watersheds and the coastal ocean to these reefs. Specifically, we are examining the effects of these material inputs on the primary production of kelp, and the population dynamics, community structure, and trophic interactions of kelp forest ecosystems.

Funding:

NSF Award OCE-9982105, OCE-0620276, OCE-1232779, OCE-1831937

Other Metadata

Additional Metadata

additionalMetadata
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        |     |___element 'unitList'
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'abbreviation' = 'umol/m2/sec'
        |     |     |     |  \___attribute 'constantToSI' = '1'
        |     |     |     |  \___attribute 'id' = 'micromolePerMeterSquaredPerSecond'
        |     |     |     |  \___attribute 'multiplierToSI' = '0.000001'
        |     |     |     |  \___attribute 'name' = 'micromolePerMeterSquaredPerSecond'
        |     |     |     |  \___attribute 'parentSI' = 'molePerMeterSquaredPerSecond'
        |     |     |     |  \___attribute 'unitType' = 'amountOfSubstanceWeightFlux'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text 'areal flux rate'
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        |     |     |     |  \___attribute 'id' = 'number'
        |     |     |     |  \___attribute 'name' = 'number'
        |     |     |     |  \___attribute 'unitType' = 'dimensionless'
        |     |     |     |___text '\n          '
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        |     |     |     |     |___text 'a number'
        |     |     |     |___text '\n        '
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        |     |___text '\n    '
        |___text '\n  '

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