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Global_Lakes_and_Wetlands (Map Service)


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Current Version: 10.81

Service Description:

Wetlands are a crucial part of natural infrastructure as they help protect water quality, hold excess flood water, stabilize shoreline, and help recharge groundwater. The Global Lakes and Wetlands Database combines best available sources for lakes and wetlands on a global scale. This data set estimates large-scale wetland distributions and important wetland complexes, including areas of marsh, fen, peatland, and water. Large rivers are also included as wetlands (lotic wetlands). It is assumed that only a river with adjacent wetlands (floodplain) is wide enough to appear as a polygon on the coarse-scale source maps. Limited by sources, the data set refers to lakes as permanent still-water bodies (lentic water bodies) without direct connection to the sea, including saline lakes and lagoons as lakes, while excluding intermittent or ephemeral water bodies. Lakes that are manmade are explicitly classified as reservoirs. This data set includes information on large lakes (area ≥ 50 km²) and reservoirs (storage capacity ≥ 0.5 km³), permanent open water bodies (surface area ≥ 0.1 km²), and maximum extent and types of wetlands. The extent of wetlands and lakes may vary seasonally, and thus this data set may not match real-world extents. The dataset provides an estimate of maximum extents of wetlands and identifies large-scale wetland distribution and important wetland complexes.

Source


Map Name: Map1

Legend

All Layers and Tables

Layers: Tables: Description:

Wetlands are a crucial part of natural infrastructure as they help protect water quality, hold excess flood water, stabilize shoreline, and help recharge groundwater. The Global Lakes and Wetlands Database combines best available sources for lakes and wetlands on a global scale. This data set estimates large-scale wetland distributions and important wetland complexes, including areas of marsh, fen, peatland, and water. Large rivers are also included as wetlands (lotic wetlands). It is assumed that only a river with adjacent wetlands (floodplain) is wide enough to appear as a polygon on the coarse-scale source maps. Limited by sources, the data set refers to lakes as permanent still-water bodies (lentic water bodies) without direct connection to the sea, including saline lakes and lagoons as lakes, while excluding intermittent or ephemeral water bodies. Lakes that are manmade are explicitly classified as reservoirs. This data set includes information on large lakes (area ≥ 50 km²) and reservoirs (storage capacity ≥ 0.5 km³), permanent open water bodies (surface area ≥ 0.1 km²), and maximum extent and types of wetlands. The extent of wetlands and lakes may vary seasonally, and thus this data set may not match real-world extents. The dataset provides an estimate of maximum extents of wetlands and identifies large-scale wetland distribution and important wetland complexes.

Source


Copyright Text: McGill University, WWF

Spatial Reference:
102100

Single Fused Map Cache: true

Capabilities: Map,TilesOnly,Tilemap

Tile Info:
Initial Extent:
Full Extent:
Min Scale: 5.91657527591555E8
Max Scale: 1155581.108577

Min LOD: 0
Max LOD: 9

Units: esriMeters

Supported Image Format Types: Mixed

Export Tiles Allowed: false
Max Export Tiles Count: 100000

Document Info: