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779 Titles Match Your Query
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1. Assessment of Historical Phytoplankton Characteristics and Bloom Phenomena in the New York Harbor Estuarine and New York Bight Ecosystems - NYNJHEP_phytoplanktonchar [NYNJHEP_phytoplanktonchar]
The purpose of this study is to compile existing data sets so as to characterize normal and excessive (blooms) phytoplankton conditions and to determine the location, extent, ...


2. Baltimore Ecosystem Study Watershed Boundary for Baltimore-Long Term Ecological Research Network (LTER) - lter_BES_GFWwatershedboundary [lter_BES_GFWwatershedboundary]
The Gwynns Falls watershed boundary polygon is part of the Baltimore Ecosystem Study (BES) project. This coverage was created by SELECTing the Gwynns Falls Watershed from a coverage of subsheds. ...


3. Baltimore Ecosystem Study Watershed Boundary for Baltimore-Long Term Ecological Research Network (LTER) - lter_BES_watershedboundary [lter_BES_watershedboundary]
The Gwynns Falls watershed boundary polygon is part of the Baltimore Ecosystem Study (BES) project. This coverage was created by SELECTing the Gwynns Falls Watershed from a coverage of subsheds. ...


4. Flow and Velocity Data - USGS_SOFIA_flow_velocity_data [USGS_SOFIA_flow_velocity_data]
Velocity data are being provided in an Access database and Excel spreadsheets. The database summarizes the velocity data, site location and description, vegetative characteristics, and water quality ...


5. Kachemak Bay Research Reserve (KAC) NERR Water Quality Metadata January - December 2004 Latest update: March 23, 2005 - CDMO_kacwq01-12.04m [CDMO_kacwq01-12.04m]   PARENT METADATA
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected at least every 30 ...


6. National Wildlife Refuge Boundaries - USFWS_CSDC_NWR [USFWS_CSDC_NWR]
This data is provided by the U.S. Fish & Wildlife Service, Cartography and Spatial Data Services Division. Their mission is to provide cartographic and GIS support for the Region 5 Refuges and Wildlife ...


7. 1968 Louisiana Coastal Marsh Vegetative Type Transect Point Dataset [usgs_nwrc_louisianatransect]
This dataset contains a point coverage with an associated database file. The original dataset was collected through visual field observation by Robert Chabreck (Louisiana Cooperative Wildlife Research ...


8. 1996 Coastal Mississippi Habitat Data [usgs_nwrc_coastalmississippi]
This data set consists of digital data describing wetland and upland habitats in the coastal or near Gulf Coast areas of Mississippi, in 1996. The data set includes 23 7.5 minute quadrangles. Wetlands ...


9. 1998 Hurricane Mitch Honduras Habitat Data for the Gulf of Fonseca [usgs_nwrc_gulfoffoneseca]
This data set consists of digital data describing wetland and upland habitats in the southern coastal areas of Honduras affected by Hurricane Mitch in October 1998. The data set includes specifically ...


10. 1998 Hurricane Mitch Honduras Habitat Data for the Islas de la Bahia and Northern coastal region. [usgs_nwrc_islasdelabahia]
This data set consists of digital data describing wetland (including seagrass habitat) and upland habitats in the northern coastal areas of Honduras affected by Hurricane Mitch in October 1998. The ...


11. 1:250,000 Scale Quadrangles of Land Use/Land Cover GIRAS Spatial Data in the Conterminous U.S. [EPA_GIRAS]
This is land use/land cover digital data collected by USGS and converted to ARC/INFO by the EPA. This data is useful for environmental assessment of land use patterns with ...


12. 1:50,000 Coastal Series, Nova Scotia, Canada [Canada_NS_1_50000_Coastal]
In consultation with coastal mapping users throughout the Province, the Nova Scotia Geomatics Centre (NSGC) embarked upon the creation of a Nova Scotia Topographic Database (NSTDB) 1:50,000 ...


13. 30 M Resolution Land Cover Map of Manitoba, Canada [CANEMRCCRSMANPROVMAP]
Sixteen land cover classes are covered using 30 M resolution data with a 95% accuracy rate. 75% of southern Manitoba has been completely mapped to date. The land cover classes include; agricultural ...


14. A Coupled Surface Water and Ground-Water Model to Simulate Past, Present, and Future Hydrologic Conditions in DOI Managed Lands [USGS_SOFIA_coupled_sw-gw_model]
This project has two objectives: 1) update and reconfigure the Flow and Transport in a Linked Overland/Aquifer Density-Dependent System (FTLOADDS) modeling code to include all version modifications ...


15. A GIS-based decision-support tool to evaluate land management policies in south Florida [USGS_SOFIA_gis_tool]
The primary objective of the project is to develop an integrated ecological and socioeconomic land use evaluation model (the Ecosystem Portfolio Model, EPM) for Department of the Interior (DOI) resource ...


16. A New High-Resolution National Map of Vegetation Ecoregions Produced Empirically Using Multivariate Spatial Clustering [ORNL_MGC]
A parallel supercomputer was used to divide the conterminous 48 states of the United States into 1000, 2000, 3000, 5000, and 7000 ecoregions with relatively homogeneous values of elevation, edaphic, ...


17. ACE Basin (ACE) NERR Water Quality Metadata January-December 1999 Metadata Report Latest update: September 19, 2001 [CDMO_acewq01-12.99m]   PARENT METADATA
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected at least ...


18. ACE Basin (ACE) National Estuarine Research Reserve Water Quality Metadata January-December 2002 Latest update: May 12, 2003 [CDMO_acewq01-12.02m]   PARENT METADATA
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected at least ...


19. ACE Basin (ACE) National Estuarine Research Reserve Water Quality Metadata January-December 2004 Report Latest edit: May 6, 2005 [CDMO_acewq01-12.04m]   PARENT METADATA
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected at least ...


20. ACE Basin NERR Water Quality Metadata January-December 2001 Latest update: August 20, 2002 [CDMO_acewq01-12.01m]   PARENT METADATA
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected at least ...


21. ACE Basin National Estuarine Research Reserve January-December 1996 Metadata Report Lastest Update: September 26, 2001 [CDMO_acewq01-12.96m]   PARENT METADATA
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected at least ...


22. ACE Basin National Estuarine Research Reserve January-December 1997 Water Quality Metadata Report Latest Update: September 26, 2001 [CDMO_acewq01-12.97m]
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected at least ...


23. ACE Basin National Estuarine Research Reserve January-December 1998 Water Quality Metadata Report Latest Update: September 26, 2001 [CDMO_acewq01-12.98m]   PARENT METADATA
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected at least ...


24. ACE Basin National Estuarine Research Reserve March - December 1995 Metadata Report edited: 9/19/97 [CDMO_acewq03-12.95m]   PARENT METADATA
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected at least ...


25. ACE Basin National Estuarine Research Reserve Water Quality Metadata Report January-December 2000 Latest Update: May 22, 2001 [CDMO_acewq01-12.00m]   PARENT METADATA
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected at least every 30 ...


26. APA NERR Site Water Quality Metadata Form April - December 1995 Latest Update: September 29, 1998 [CDMO_apawq04-12.95m]   PARENT METADATA
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected ...


27. APA NERR Site Water Quality Metadata Form January - December 1997 Latest Update: April 16, 1999 [CDMO_apawq01-12.97m]   PARENT METADATA
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected ...


28. AVHRR data from Eurimage [EURIMAGE_AVHRR]
The National Oceanographic and Atmospheric Administration (NOAA) has been operating its Advanced Tiros-N (ATN) series of satellites since October 1978. Carrying the Tiros Operational Vertical Sounder ...


29. 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 ...


30. Across Trophic Level System Simulation (ATLSS) Program [USGS_SOFIA_atlss_prog]
The ATLSS (Across Trophic Level System Simulation) program addresses CERP’s (Comprehensive Everglades Restoration Plan) need for quantitative projections of effects of scenarios on biota of the Greater ...


31. Active Layer Measurements in Tanana Flats, Fairbanks, Alaska, USA [GGD240]
This data set consists of active layer thickness from forested uplands (islands and benches) bordering the interconnected wetlands of Tanana Flats, near Fairbanks, Alaska. CRREL permafrost cores were ...


32. Aerial Photos of the 1940s [USGS_SOFIA_aerial-photos]
The images are available as .jpeg and as georeferenced .tiff files. With the exception of three images, all images are subset to 7500 pixels square. Individual photos can be selected from the 1940 ...


33. Africa Olson World Ecosystems [NBId0022_101]
New-ID: NBI22 OLSON WORLD ECOSYSTEMS DATASET DOCUMENTATION File: AFWE20.IMG Code: 100032-001 Raster Member This IMG file is in IDRISI format Olson World Ecosystems data base is part of Global ...


34. Africa Wilson & Henderson-Sellers Secondary Vegetation Classes and Class Reliability, 1985 [NBId0248_101]
The Wilson and Henderson-Sellers Secondary Vegetation Classes and Class Reliability data sets are part of the "Wilson Henderson-Sellers land cover and soils for global circulation modeling project ...


35. African 6000 Years B.P. Land Surface Conditions, WDC Paleoclimatology [NOAA_NGDC_PALEO_AFRICA6K]
This dataset describes land surface conditions at 6000 years B.P. on a 1 degree x 1 degree grid across northern Africa and the Arabian Peninsula. It includes information on the percentage in each ...


36. African Elephant Specialist Group (AfESG) African Elephant Database [AEDd0001_155]
Summary of AfESG Protected Areas "This dataset is part of the African Elephant Database (AED), which is the most up-to-date ...


37. Agricultural Online Access (AGRICOLA) Database [USDA_AGRICOLA]
AGRICOLA (AGRICultural OnLine Access) is a bibliographic database of citations to the agricultural literature created by the National Agricultural Library and its cooperators. Production ...


38. Alaska High Altitude Aerial Photography (AHAP) Program [EARTH_LAND_USGS_AK_HI_ALT_PHOT]
[From GeoData Center Home Page descriptions, "http://www.gi.alaska.edu/alaska-satellite-facility/geodata-center"] The GeoData Center is the browse facility for the state copy of ...


39. Altitude of the base of the gray limestone aquifer, southern Florida, USGS WRIR 99-4213 figure 15 [USGS_SOFIA_glime_altbase_arc]
The base of the gray limestone aquifer is shallowest in Collier and Hendry Counties and slopes to the southeast and east. The altitude of the base of the aquifer generally ranges from 50 to 160 ft ...


40. Altitude of the base of the surficial aquifer system in eastern Palm Beach, Martin, and St. Lucie counties, Florida, USGS WRIR 99-4214, fig. 1 [USGS_SOFIA_ch1999cont_arc]
The surficial aquifer system underlies Palm Beach, Martin, and St. Lucie Counties and primarily consists of sand, clay, silt, shell, and limestone of Holocene, Pleistocene, and Pliocene age. Its thickness ...


41. Altitude of the top of the gray limestone aquifer, southern Florida, USGS WRIR 99-4213 figure 14 [USGS_SOFIA_glime_alttop_arc]
The top of the gray limestone aquifer is shallowest in Collier and Hendry Counties and slopes to the southeast and east. The altitude of the top of the gray limestone aquifer generally ranges between ...


42. Altitude of the top of the upper confining unit of the gray limestone aquifer, southern Florida, USGS WRIR 99-4213 figure 21 [USGS_SOFIA_glime_alt_ucu_arc]
The map shows the altitude of the top of the confining unit which ranges from 10 ft above sea level to 50 ft below sea level in much of the study area, and slopes downward to the east and southeast. ...


43. Amagansett National Wildlife Refuge in New York [USFWS_CSDS_amgbnd]   PARENT METADATA
This data set contains boundary layers for the Amagansett National Wildlife Refuge in New York. National Wildlife Refuges are federal lands managed by the U.S. Fish and Wildlife Service (USFWS). ...


44. American Alligator Ecology and Monitoring for CERP [USGS_SOFIA_rice_alligators_04]
This project will accomplish several tasks with a combination of field data collection, GIS mapping, and computer simulation. Our main objectives are designed to answer questions critical to restoration ...


45. An assessment of variability in the influx of cosmic dust during the Holocene and the potential effect on iron concentrations in the Southern Ocean. [AAS_3132]
Metadata record for data from AAS (ASAC) project 3132. Public This research will determine variability in the influx and mineralogy of cosmic dust to the Southern Ocean during the Holocene from ...


46. An expanded map of vegetation communities at Big Muddy National Fish and Wildlife Refuge [USGS_CERC_BigMuddyNFWR_VegMap]
In 2012, a map of vegetation communities on Big Muddy National Fish and Wildlife Refuge was expanded based on interpretation of aerial photographs and field data. National Agricultural Imagery Program ...


47. Analysis Products on Wetlands [NRCS_NRI_SotL_WETLANDS]
The Wetland maps use 1992 and earlier data. These maps show the location of different types of wetlands. The wetlands may be on crop, pasture, range, forest, developed or rural land. Some of the ...


48. Analysis of cyanobacterial mats for toxins [K081_2001_2002_NZ_3]
Mats of algae and cyanobacteria are often the dominant biomass of inland aquatic systems. A collection of samples of these mats were extensively sampled from the moraine ponds near Bratina Island ...


49. Anthropogenic Drivers of Change on Marine Ecosystems: Nutrient Pollution (Fertilizer) [geodata_2034]
The Nutrient Pollution (Fertilizer) dataset represents an anthropogenic driver of ecological change for marine ecosystem.


50. Apalachicola (APA) NERR Site Water Quality Metadata January - December 1996 Latest Update: March 25, 1999 [CDMO_apawq01-12.96m]   PARENT METADATA
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected ...


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