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1. Balance ice fluxes for the Antarctic Ice sheet [ASAC_1261_Balance_Flux]   PARENT DIF
Balance Ice Fluxes for the Antarctic ice sheet. These ice fluxes (in km^2/yr)represent the (hypothetical) distribution of ice flux that would keep the Antarctic ice sheet in its present ...


2. Balance ice velocities for the Antarctic Ice sheet [ASAC_1261_Balance_Velocities]   PARENT DIF
Balance Ice Velocities for the Antarctic ice sheet. These ice velocities (in m/yr) represent the (hypothetical) distribution of depth-averaged ice velocities that would keep the Antarctic ...


3. Computer modelling of the mass balance and dynamics of the Antarctic Ice Sheet [ASAC_1261]   CHILD DIFs
Computer models have been developed to investigate the present and future balance of ice accumulation and loss for the Antarctic ice sheet. New information about the flow properties of ice has been ...


4. Watershed Boundaries Level 1 - HYDRO1k (North America) [geodata_0777]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


5. Watershed Boundaries Level 2 - HYDRO1k (Middle East) [geodata_0790]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


6. Watershed Boundaries Level 3 - HYDRO1k [geodata_0788]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


7. Watershed Boundaries Level 3 - HYDRO1k (Africa) [geodata_0785]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


8. Watershed Boundaries Level 3 - HYDRO1k (Asia) [geodata_0779]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


9. Watershed Boundaries Level 3 - HYDRO1k (Europe) [geodata_0791]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


10. Watershed Boundaries Level 3 - HYDRO1k (North America) [geodata_0782]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


11. GIS Coverage for the National Water-Quality Assessment (NAWQA) Program Retrospective Database for Nutrients in Surface Water: Monitoring Locations [NAWQAHIS]
The retrospective database is a compilation of historical water-quality and ancillary data collected before NAWQA Study Units initiated sampling in 1993. This coverage contains the point locations ...


12. Watershed Boundaries Level 1 - HYDRO1k (Africa) [geodata_0792]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


13. Watershed Boundaries Level 1 - HYDRO1k (Asia) [geodata_0786]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


14. Watershed Boundaries Level 1 - HYDRO1k (Europe) [geodata_0780]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


15. Watershed Boundaries Level 1 - HYDRO1k (Middle East) [geodata_0789]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


16. Watershed Boundaries Level 1 - HYDRO1k (South America) [geodata_0783]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


17. Watershed Boundaries Level 2 - HYDRO1k (Africa) [geodata_0784]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


18. Watershed Boundaries Level 2 - HYDRO1k (Asia) [geodata_0781]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


19. Watershed Boundaries Level 2 - HYDRO1k (Europe) [geodata_0787]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


20. Watershed Boundaries Level 2 - HYDRO1k (South America) [geodata_0793]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


21. Watershed Boundaries Level 3 - HYDRO1k (Middle East) [geodata_0794]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


22. Southern Appalachian Assessment (SAA) Online Geospatial Database [SAMAB_SAA]
The Southern Appalachian Assessment (SAA) was a cooperative multi-agency effort to assess the environmental condition of the Southern Appalachian region. The SAA was described as the ecological equivalent ...


23. LBA REGIONAL HYDROGRAPHIC DATA, 1-DEGREE, RELEASE 2.2 (COGLEY) [lba_cogley]
This subset of the Global Hydrographic data set (GGHYDRO) Release 2.2 for the study area of the Large Scale Biosphere-Atmosphere Experiment in Amazonia (LBA) in South America (i.e., longitude 85 deg ...


24. LBA REGIONAL BOUNDARY FOR THE AMAZON AND TOCANTINS RIVER BASINS, 5-MIN [lba_reg_basin]
This data set is an expanded version of the Costa et al. (2000) data set and consists of a single grid with values of 1 for cells within the basins and 0 for cells outside. The resolution of the data ...


25. SAFARI 2000 HYDROGRAPHIC DATA, 1-DEG, RELEASE 2.2 (COGLEY) [s2k_cogley]
This southern African subset of the Global Hydrographic data set (GGHYDRO) Release 2.2 is organized into 19 files containing terrain type, stream frequency counts, major drainage basins, main features ...


26. Digital drainage basin boundaries of named streams in Pennsylvania [USGS_PA_DIGIT]
In 1989, the Pennsylvania Department of Environmental Resources (PaDER), in cooperation with the U.S. Geological Survey, Water Resources Division (USGS published the Pennsylvania (PA) Gazetteer ...


27. GGHYDRO - Global Hydrographic Data [Canada_TrentU_GobalHydroData]
The Global Hydrographic data set is organized into 19 data files containing percentages of terrain type, stream frequency counts, major drainage basins, main features of the cryosphere surface, or ...


28. 1:2,000,000-Scale Hydrologic Unit Maps [2MILHUC]
This data set contains hydrologic units (drainage basins) at a scale of 1:2,000,000 for the conterminous United States and Alaska. The attributes assigned to each unit follow the 8-digit Hydrologic ...


29. A Digital Global Map of Irrigated Areas [UKASSEL_GLOBAL_IRRIGATED_AREA]
For the purpose of global modeling of water use and crop production, a digital global map of irrigated areas was developed. The map depicts the areal percentage of each 0.5 deg. by 0.5 deg grid cell ...


Showing 1 through 29 of 29
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