| lagoslakeid | lake_rsvr_nidid | lake_nhdid | neon_zoneid | lake_rsvr_model_class | lake_lat_decdeg | lake_lon_decdeg | lake_connectivity_class | lake_rsvr_probnl | lake_rsvr_probrsvr | lake_rsvr_probdiff | lake_rsvr_model | lake_rsvr_nlneardam_flag | lake_rsvr_rsvrisolated_flag | lake_rsvr_classmethod | lake_centroidstate | lake_namelagos | lake_shorelinedevfactor | lake_rsvr_nidlat_decdeg | lake_rsvr_nidlon_decdeg | lake_shape | FType | lake_rsvr_class |
---|
Column Name: | lagoslakeid
| lake_rsvr_nidid
| lake_nhdid
| neon_zoneid
| lake_rsvr_model_class
| lake_lat_decdeg
| lake_lon_decdeg
| lake_connectivity_class
| lake_rsvr_probnl
| lake_rsvr_probrsvr
| lake_rsvr_probdiff
| lake_rsvr_model
| lake_rsvr_nlneardam_flag
| lake_rsvr_rsvrisolated_flag
| lake_rsvr_classmethod
| lake_centroidstate
| lake_namelagos
| lake_shorelinedevfactor
| lake_rsvr_nidlat_decdeg
| lake_rsvr_nidlon_decdeg
| lake_shape
| FType
| lake_rsvr_class
|
Definition: | unique lake identifier developed by LAGOS-US | the NID identification code for the dam located 50 meters or less from the RSVR | the unique 'Permanent_identifier' from the NHD for each LAGOS lake; from LAGOSUS v1 | the unique identifier assigned by LAGOS-US for zones in the spatial division National Ecological Observation Network; from LAGOSUS v1 | the classification of a lake into either RSVR or NL from the machine learning procedure | latitude of centroid of the NHD lake polygon in decimal degrees; NAD83 projection; from LAGOSUS v1 | longitude of centroid of the NHD lake polygon in decimal degrees; NAD83 projection; from LAGOSUS v1 | maximum hydrologic connectivity class of the focal lake determined from the NHD network considering both permanent and intermittent-ephemeral flow; from LAGOSUS v1 | the model-generated probability that the correct classification of a waterbody is a natural lake | the model-generated probability that the correct classification of a waterbody is as a reservoir | the difference between the model assigned probabilities; calculated as lake_rsvr_probnl minus lake_rsvr_probrsvr | denotes the model used in lake prediction; values are either NE or US; value is NULL for manually classified lakes | flag indicating that the lake classified as NL is located less than 50 meters (in 3 dimensional space) from a dam in the NID | flag indicating that the lake classified as RSVR has a connectivity classification of isolated | denotes whether a lake_rsvr_class prediction was assigned manually or via a model prediction | two-letter postal abbreviation of the state containing the lake centroid; from LAGOSUS v1 | lake name from a combination of data sources; examples are GNIS, WQP, etc.; from LAGOSUS v1 | shoreline development factor; calculated as lake_perimeter_m divided by the product of 2 times the square root of pi times lake_waterarea_ha; from LAGOSUS v1 | latitude of the dam from the National Inventory of Dams (NID) | longitude of the dam from the NID | flag indicating lake polygon shape is excessively angular (e.g., triangle, rectangle) or elongate (very thin relative to length); may indicate the lake is not natural in origin (angular) or is more riverine (elongate) | NHD FTode classification of the water body | the overall classification of water bodies into natural lakes (NL), reservoir type A (RSVR-A), and reservoir type B (RSVR-B) |
Storage Type: | float
| string
| string
| string
| string
| float
| float
| string
| float
| float
| float
| string
| string
| string
| string
| string
| string
| float
| float
| float
| string
| string
| string
|
Measurement Type: | ratio | nominal | nominal | nominal | nominal | ratio | ratio | nominal | ratio | ratio | ratio | nominal | nominal | nominal | nominal | nominal | nominal | ratio | ratio | ratio | nominal | nominal | nominal |
Measurement Values Domain: | | Definition | the NID identification code for the dam located 50 meters or less from the RSVR |
| Definition | the unique 'Permanent_identifier' from the NHD for each LAGOS lake; from LAGOSUS v1 |
| Definition | the unique identifier assigned by LAGOS-US for zones in the spatial division National Ecological Observation Network; from LAGOSUS v1 |
| Allowed Values and DefinitionsEnumerated Domain | | Code Definition | Code | NL | Definition | natural lake | Source | |
| Code Definition | Code | RSVR | Definition | reservoir | Source | |
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| Unit | decimal degrees | Type | real |
| Unit | decimal degrees | Type | real |
| Allowed Values and DefinitionsEnumerated Domain | | Code Definition | Code | nan | Definition | no value | Source | |
| Code Definition | Code | Drainage | Definition | all lakes that do not meet one of the prior three criteria; traces either in both directions or only the upstream trace has network connectivity | Source | |
| Code Definition | Code | DrainageLk | Definition | traces either in both directions or only upstream have/has network connectivity, and the upstream trace contains the identifier of one or more lakes greater than 10 hectares (as defined by the NHDNetwork class) | Source | |
| Code Definition | Code | Headwater | Definition | only the downstream trace contains network connectivity | Source | |
| Code Definition | Code | Isolated | Definition | traces in both directions were empty (no network connectivity) | Source | |
| Code Definition | Code | Terminal | Definition | only the upstream trace contains network connectivity | Source | |
| Code Definition | Code | TerminalLk | Definition | only the upstream trace contains network connectivity, and the upstream trace contains the identifier of one or more lakes greater than 10 hectares (as defined by the NHDNetwork class) | Source | |
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|
| | | | Allowed Values and DefinitionsEnumerated Domain | | Code Definition | Code | nan | Definition | manually classified lakes | Source | |
| Code Definition | Code | NE | Definition | Northeast prediction model was used | Source | |
| Code Definition | Code | US | Definition | U.S. prediction model was used | Source | |
|
|
| Allowed Values and DefinitionsEnumerated Domain | | Code Definition | Code | N | Definition | No flag | Source | |
| Code Definition | Code | Y | Definition | Yes flag | Source | |
|
|
| Allowed Values and DefinitionsEnumerated Domain | | Code Definition | Code | N | Definition | No flag | Source | |
| Code Definition | Code | Y | Definition | Yes flag | Source | |
|
|
| Allowed Values and DefinitionsEnumerated Domain | | Code Definition | Code | manual | Definition | Lake was manually classified | Source | |
| Code Definition | Code | predicted | Definition | Lake was classified using the prediction model | Source | |
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|
| Definition | two-letter postal abbreviation of the state containing the lake centroid; from LAGOSUS v1 |
| Definition | lake name from a combination of data sources; examples are GNIS, WQP, etc.; from LAGOSUS v1 |
| | Unit | decimal degrees | Type | real |
| Unit | decimal degrees | Type | real |
| Allowed Values and DefinitionsEnumerated Domain | | Code Definition | Code | angular | Definition | angular shape | Source | |
| Code Definition | Code | elongate | Definition | elongate shape | Source | |
| Code Definition | Code | noflag | Definition | no shape flag | Source | |
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|
| Allowed Values and DefinitionsEnumerated Domain | | Code Definition | Code | 390 | Definition | lake/pond NHD code | Source | |
| Code Definition | Code | 436 | Definition | reservoir NHD code | Source | |
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|
| Allowed Values and DefinitionsEnumerated Domain | | Code Definition | Code | NL | Definition | A lake that is likely to be entirely or mostly naturally-formed and that does not have a relatively large, flow-altering structure on it or near it based on visual interpretation of imagery. Such lakes may have a small human-made water-control structures on it that appear to be physically small relative to the size of the lake shoreline, or that are downstream of the lake and so are assumed to have minimal impacts on the lake, such as those that can influence water levels only. | Source | |
| Code Definition | Code | RSVR_A | Definition | Reservoir Type A: A lake that is likely to be either human-made or highly human-altered by the presence of a relatively large water control structure that appears to significantly change the flow of water based on a machine-learning model prediction with lake outlines as model input. | Source | |
| Code Definition | Code | RSVR_B | Definition | reservoir type B: A lake that is likely to be entirely human-made based on a highly angular shape that is rarely, if ever, seen in natural lakes. | Source | |
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Missing Value Code: | | | | | | | | Code | NULL | Expl | no assigned connectivity class |
| | | | Code | NULL | Expl | manually classified lakes |
| | | | | Code | NULL | Expl | No lake name available |
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