Print List Subscribe to RSS Feed

Showing 1 - 50 of 1819 Next

1. 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 ...

2. Acidic Surface Waters of the Conterminous United States GIS Data for the EPA Clean Air Mapping and Analysis Program (C-MAP) [A_Water_EPA]
This coverage contains information about estimates of current acid-base status of surface waters in National Surface Water Survey regions in the conterminous U.S., as reported in the National Acid ...

3. Aquatic Ecoregions in the United States GIS Data for the EPA Clean Air Mapping and Analysis Program (C-MAP) [AQUAECO]
Ecoregions are based on perceived patterns of a combination of causal and integrative factors including land use, land surface form, potential natural vegetation, and soils (Omernik, 1987). This is ...

4. Arc Sweden Overview Map (GIS Coverage) [ESRI_Sweden_Cover]
ArcSweden is a geographic database for Sweden containing different map layers. The geographic database consists of general background data and geographic boundaries with demographic statistical information ...

5. Assay of Wild Salmonids for presence of Myxobolus cerebralis [MSU_AWS]
Results of assay for M. cerebralis myxospores by digest wild juvenile salmonids recovered in the Clackamas River (OR) basin.

6. Assessment of Nitrogen Loading in the Upper Connecticut River Basin, New Hampshire, Vermont, and Massachusetts [USGS_CT_NLOAD]
The primary pollutant contributing to hypoxia in Long Island Sound (LIS) is nitrogen. The U.S. Geological Survey (USGS), in cooperation with the New England Interstate Water Pollution Control Commission ...

7. Assessment of the Alluvial Sediments in the Big Thompson River Valley, Colorado [USGS-DDS-066]
To obtain subsurface geologic information about the alluvium in the Big Thompson River valley, S -wave refraction data were collected along three roads that cross the valley. The traveltimes were ...

8. Atmospheric Deposition of Mercury in the Boston Area [USGS_NAWQA_HG_DEP]
Atmospheric deposition has been found to be the dominant source of mercury (Hg) in New England's aquatic environment (Krabbenhoft and others, 1999; Northeast States for Coordinated Air Use Management ...

9. BALANS Hydro1K Basin [BALANS_Hydro1K]
Examination of the existing drainage basin delineation at "Baltic Sea region GIS, maps and statistical database" (digitized after a drainage basin definition done in 1986) in comparison with the Hydro1k ...

10. BALANS Land cover [BALANS_LandCover]
The BALANS land cover dataset has been assembled from satellite data from the IRS 1C/1D WiFS satellite. The reference data has been collected from national sources. Note that the ...

11. BALANS Wetlands [BALANS_Wetlands]
The BALANS wetlands dataset has been assembled from satellite data from the IRS 1C/1D WiFS satellite. The reference data has been collected from national sources. Note that the product is not homogenous ...

12. BLM OR/WA Hydrography Project (HYD) [BLM_OR_WA_GIS_HYDRO_LAYER]
Oregon/Washington BLM has created an integrated approach for aquatics information and is promoting consistent standards and protocols for managing hydrographic information across our organization. ...

13. BLM OR/WA Interagency Vegetation Mapping Project (IVMP) [BLM_OR_WA_VEG_MAPPING]
(Summary adapted from Interagency Vegetation Mapping Project) The Regional Interagency Executive Committee decided to accept effectiveness monitoring plans for the Northwest Forest Plan. Effectiveness ...

14. Biological River Water Quality Dataset for Ireland [Ireland_EPA_River_Quality]
This database IV dataset holds details of all rivers and the individual locations surveyed since 1971. Details include river name, EPA Code, National Grid_REFERENCEs of sample locations and of river/stream ...

15. Blackwater National Wildlife Refuge Boundary in Maryland [USFWS_CSDS_blkbnd]   PARENT METADATA
This dataset contains boundary layers for the Blackwater National Wildlife Refuge Boundary in Maryland. National Wildlife Refuges are federal lands managed by the U.S. Fish and Wildlife Service (USFWS). ...

16. CIAT Land Use Project [CGIAR_CIAT_LANDUSE]   CHILD METADATA
The Land Use Project has been involved in a WWF-led initiative to map global rivers and watersheds, called HydroSHEDS. This data is now being released for Latin America, with Asia and Africa to follow ...

17. California Fire and Resource Assessment Program [FRAP_CFRAP]
The California Department of Forestry and Fire Protection's Fire and Resource Assessment Program (FRAP) assesses the amount and extent of California's forests and rangelands, analyzes their conditions ...

18. California Rivers Assessment Interactive Database [CA_ICE_CARiversAssesstInterDB]
The California Rivers Assessment (CARA) is a computer-based data management system designed to give resource managers, policy-makers, landowners, scientists and interested citizens rapid ...

19. Coastal Erosion and Wetland Change in Louisiana: Selected USGS Products [USGS-DDS-79]
Louisiana contains 25 percent of the vegetated wetlands and 40 percent of the tidal wetlands in the 48 conterminous States. These critical natural systems are being lost. Louisiana leads the Nation ...

20. Coastal Salmon Restoration Initiative, OR, 1997 [Inforain_CSRI]
Core Areas are reaches or watersheds within individual coastal basins that are judged to be of critical importance to the sustenance of salmon populations that inhabit those basins. Core ...

21. Controlled exposure of fry to Myxobolus cerebralis through Triactinomyxons (TAMs) [MSU_5]
Rainbow trout and Chinook salmon fry were subjected to a controlled exposure of 200 and 2,000 triactinomyxons (TAMs) for two hours. After exposure, a subsample of Chinook salmon and rainbow trout ...

22. Creation of a Prototype, Web-based Connecticut River Watershed Atlas [USGS_CT_ATLAS]
During the Connecticut River Watershed Sustainability workshops held in 2004, a common message voiced by participants was the need for a centralized database of information to support assessments ...

23. Data Used for the Systems Integration and Visualization of Yellowstone (SIVY) [SIVY_DATA]
Ecosystem Science and Visualization : Yellowstone National Park provides access to data other products arising from our wildlife ecological and landscape research in Yellowstone National Park. ...

24. David Rumsey Map Collection [David_Rumsey_Collection]
The Collection: The David Rumsey Collection which started nearly 20 years ago, includes a collection of atlases, globes, school geographies, ...

25. Desert Landforms and Surface Processes in the Mojave National Preserve and Vicinity [USGS_OFR_2004_1007]
Landscape features in the Mojave National Preserve are a product of ongoing processes involving tectonic forces, weathering, and erosion. Long-term climatic cycles (wet and dry periods) have left ...

26. Digital Flood Insurance Rate Map Database [FEMA_DFIRM]   PARENT METADATA
The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary risk classifications used are the 1-percent-annual-chance ...

27. Digital Line Graphs of U.S. Streams for the EPA Clean Air Mapping and Analysis Program (C-MAP) [Stream_GIS_USGS]
This is a 1:2,000,000 coverage of streams for the conterminous United States. This coverage was intended for use as a background display for the National Water Summary program. The stream layer was ...

28. Distribution of Tubifex tubifex lineages and Myxobolus cerebralis infection in the San Juan River, New Mexico [MSU_20]
A 2 km reach of the Navajo Dam tailwater of the San Juan River, NM was sampled in August and December 2001 and June 2002 to characterize environmental factors influencing the distribution and density ...

29. ESRI Data and Maps [ESRI_DM]
ESRI Data & Maps is preconfigured to work with ESRI's software products and is also bundled with ArcGIS software and solutions products such as ArcGIS Business ...

30. EarthTrends: The Environmental Information Portal [WRI_EarthTrends]
EarthTrends is an online collection of information regarding the environmental, social, and economic trends that shape our world. Committed to the principle that accurate information ...

31. Earthquakes and Planning for Ground Rupture Hazards [SSDP_HAZARD_EARTHQUAKE]
Detailed maps bring a greater resolution to the number and locations of active faults. Preparing maps at a higher resolution requires extensive field study, and with a GIS, information, such as tract ...

32. Ecoregions for Rivers and Lakes in Europe [EEA_ECOREGIONS]
Ecoregions are based on fauna living in European inland waters. The data was published as a map in Annex XI, Water Framework Directive, in Official Journal of the European Communities. ...

33. Effects of Prescribed Fire on Sediment and Nutrient Loads in Southeastern U.S. Forests [USDA_effectsofprescribedfire]
We used the nutrient cycling model NuCM (Nutrient Cycling Model) as our platform for predicting stream and soil nutrient response after forest management with prescribed fire. Study sites were located ...

34. Effects of Temperature, Photoperiod and Myxobolus cerebralis Infection on Growth, Reproduction and Survival of Tubifex tubifex Lineages [MSU_19]
Monocultures of lineages III and VI from 2001 San Juan River collections were subjected to infection (0 and 500 myxospores/worm), a range of temperature (5oC, 17oC, and 27oC), and diurnal photoperiod ...

35. Environmental Atlas of the Lake Pontchartrain Basin [USGS_OFR_2002_206]
The story of Lake Pontchartrain and its surrounding Basin is a fascinating saga. Created at the end of the last Ice Age, this estuary is much more than just a magnificent natural resource. It has ...

36. Estimates of Ground-Water Recharge Based on Streamflow-Hydrograph Methods: Pennsylvania [USGS_OFR_2005_1333]
This study, completed by the U.S. Geological Survey (USGS) in cooperation with the Pennsylvania Department of Conservation and Natural Resources, Bureau of Topographic and Geologic Survey (T&GS), ...

37. Europa Technologies Map Gallery [EuropaTechnologies_map_gallery]
This map gallery data collection is a showcase of images created using Europa Technologies map data products. All maps were created automatically-without any human interaction. The gallery includes ...

38. Europe's Waterbase - Rivers [EEA_WATERBASE_RIVERS]
Waterbase is the generic name given to the EEA's databases on the status and quality of Europe's rivers, lakes, groundwater bodies and transitional, coastal and marine waters, and on the ...

39. FEMA Digital Q3 Flood Data [FEMA_Digital_Q3]   CHILD METADATA
Digital Q3 Flood Data are developed by scanning the existing FIRM hardcopy, vectorizing a thematic overlay of flood risks. Vector Q3 Flood Data files contain only certain features from ...

40. Flooding of the Androscoggin River during December 18-19, 2003, in Canton, Maine [USGS_OFR_2005_1176]
The Androscoggin River flooded the town of Canton, Maine in December 2003, resulting in damage to and (or) evacuation of 44 homes. Streamflow records at the U.S. Geological Survey (USGS) streamflow-gaging ...

41. Florida Geographic Data Library [FGDL]
The Florida Geographic Data Library (FGDL) is a mechanism for distributing spatial (GIS) data throughout the state of Florida. The FGDL is warehoused and maintained at the University of Florida's ...

42. Forest Information Services Network for Europe (FINE) [EFI_FINE]
The objectives of the Forest Information Services Network for Europe (FINE) are to provide easy, readily available access to forestry information at the regional (North Karelia), national (Finland) ...

43. 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 ...

44. GIS Coverage of the National Water-Quality Assessment (NAWQA) Program Trace Elements Sampling Sites for the EPA Clean Air Mapping and Analysis Program (C-MAP) [NAWQA_TE]
This is a point coverage of the sampling sites for the U.S. Geological Survey National Water-Quality Assessment (NAWQA) Program Study-Unit investigations of Trace Elements for the conterminous United ...

45. GIS Coverage of the National Water-Quality Assessment Study-Unit Investigations in the conterminous United States (NAWQA) [NAWQA]
This is a coverage of the boundaries and codes used for the U.S. Geological Survey National Water-Quality Assessment (NAWQA) Program Study-Unit investigations for the conterminous United States, excluding ...

46. GIS Data from the Montgomery County Maryland Atlas Project [CGIS_montgomery_GIS_atlas]
This data atlas provides GIS maps for download into a GIS database. The atlas includes feature data and image data. The feature data consists of airports, census block groups, ...

47. GIS Datasets for the State of Montana: Roads, Water Bodies, DEM, Land Cover/Use, and Related Information [MSL_NRIS_LAND_WATER]
This collection contains 18 individual datasets pertaining to land and water features for the state of Montana. These include the following: -Highways and railroads -Lakes, streams, watersheds, ...

48. GIS Datasets for the State of Montana: Upper Clark Fork 1:24,000 Scale USGS Base Map Data [MSL_NRIS_REG_UPCL_BASE]
This collection contains eight individual datasets pertaining to base map data that covers the Upper Clark Fork, Montana. These include the following: 1. Roads 2. Streams 3. Lakes 4. Railroads 5. ...

49. GIS Datasets for the State of Montana: Upper Clark Fork Photogrammetric Data [MSL_NRIS_REG_UPCL_PHOTO]
This collection contains eleven individual datasets relating to features that were interpreted and digitized from large scale photography for the Upper Clark Fork, Montana. An index map illustrating ...

50. Geologic Framework and Processes of the Lake Pontchartrain Basin [USGS_PONTCHARTRAIN]
Lake Pontchartrain and adjacent lakes in Louisiana form one of the larger estuaries in the Gulf Coast region. The estuary drains the Pontchartrain Basin (at right), an area of over 12,000 km2 situated ...

Showing 1 through 50 of 1819 Next