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Average_Annual_Evapotranspiration_with_Hillshade (Map Service)


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Current Version: 10.81

Service Description:

Most of us understand the hydrologic cycle in terms of the visible paths that water can take: rainstorms, rivers, waterfalls, swamps, etc. However, an even larger volume of water flows through the air all around us in two invisible paths: evaporation and transpiration. These two paths claim 61% of all terrestrial precipitation, and together are referred to as evapotranpsiration.

This map shows average annual evapotranspiration with 1 km resolution for the entire land surface, excluding barren and urban areas. Data are from the MOD16 Global Evapotranspiration Product, which is derived from MODIS imagery by a team of researchers at the University of Montana. MODIS was first launched aboard the Terra satellite in 2000, and the full 15-year evapotranspiration time series is available as 8-day, monthly, and annual averages. We used all 15 years of data to calculate the annual average. A toolbox for downloading the monthly MODIS data is available in the ArcGIS Resource Center.

MODIS was first launched in 2000 aboard the satellite Terra, and the average over the period 2000-2011 is shown in this map. It is combined with an elevation hillshade using the No Alteration of Grayscale or Intensity (NAGI) method.



Map Name: Evapotranspiration

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Most of us understand the hydrologic cycle in terms of the visible paths that water can take: rainstorms, rivers, waterfalls, swamps, etc. However, an even larger volume of water flows through the air all around us in two invisible paths: evaporation and transpiration. These two paths claim 61% of all terrestrial precipitation, and together are referred to as evapotranpsiration.

This map shows average annual evapotranspiration with 1 km resolution for the entire land surface, excluding barren and urban areas. Data are from the MOD16 Global Evapotranspiration Product, which is derived from MODIS imagery by a team of researchers at the University of Montana. MODIS was first launched aboard the Terra satellite in 2000, and the full 15-year evapotranspiration time series is available as 8-day, monthly, and annual averages. We used all 15 years of data to calculate the annual average. A toolbox for downloading the monthly MODIS data is available in the ArcGIS Resource Center.

MODIS was first launched in 2000 aboard the satellite Terra, and the average over the period 2000-2011 is shown in this map. It is combined with an elevation hillshade using the No Alteration of Grayscale or Intensity (NAGI) method.



Copyright Text: University of Montana

Spatial Reference:
102100

Single Fused Map Cache: true

Capabilities: Map,TilesOnly

Tile Info:
Initial Extent:
Full Extent:
Min Scale: 5.91657527591555E8
Max Scale: 1128.497176

Min LOD: 0
Max LOD: 19

Units: esriMeters

Supported Image Format Types: PNG

Export Tiles Allowed: false
Max Export Tiles Count: 100000

Document Info: