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51. USGS Earthshots: Satellite Images of Environmental Change [USGS_EARTHSHOTS]
Earthshots is an ebook of before-and-after Landsat images (1972-present), showing recent environmental events and introducing remote sensing. Earthshots comes from the U.S. Geological Survey's EROS ...


52. USGS National Elevation Dataset [USGS_NED]
The U.S. Geological Survey has developed a National Elevation Dataset (NED). The NED is a seamless mosaic of best-available elevation data. The 7.5-minute elevation data for the conterminous United ...


53. Geology of new locatilies on Tabarin Peninsula, Northern Antarctic Peninsula [CDA_AR_GEO_TABARIN_LOCALITIES]
New outcrops of the Hope Bay Formation and Larsen Basin rocks have been exposed by the recent ice retreat on Tabarin Peninsula, Northern Antarctic Peninsula. Quartzose, very low-grade metasedimentary ...


54. Topographic Mapping of Potter Peninsula [CDA_AR_GEO_MAP-POTTER]
The Dallmann Geological Project: "Geological mapping of Potter Peninsula". Elaboration of a newly actualized geological map of Potter Peninsula, using sub-meter GPS techniques. All topographic, geologic ...


55. AeroD, Canada [Canada_ACS_AeroD]
The AeroD web site is fully indexed and searchable allowing users to browse Canadian aeronautical publications. The supplements to the charts include the Canada Air Pilot (CAP), the Canada Flight ...


56. Canada Air Pilot [Canada_ACS_CanAirPilot]
The Canada Air Pilot (CAP) contains aeronautical information that is pertinent to the conduct of the arrival or departure portion of flight: instrument approach procedures, standard instrument ...


57. Map and map database of susceptibility to slope failure by sliding and earthflow in the Oakland area, California [USGS_Map_MF-2385]
Mitigation is superior to post-disaster response in reducing the billions of dollars in losses resulting from U.S. natural disasters, and information that predicts the varying likelihood of geologic ...


58. National Topographic Series of Maps for Canada (NTS) [Canada_CCRS_NTSMaps]
The National Topographic System (NTS) series provides general-purpose topographic coverage of Canada at the 1/50 000 and 1/250 000 scales. NTS maps depict terrain features (landforms and ...


59. Axel Hamberg's Sarek research 1895-1933: Use of Invisible Sámi Assistants [SMHI_IPY_ROSNIPOL04]
The natural geographer Axel Hamberg (1863-1933) became the funder of the research in the mountain massif, Sarek, Sweden, the area that is known as Sweden?s last wild life area. He based his thesis ...


60. 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 ...


61. Glacier Bay Ecosystem GIS [Inforain_USGS_GBE]
The United States Geological Survey (USGS) and Interrain Pacific are please to help make available to the public this integrated Geographic Information System for the Glacier Bay / northern Southeast ...


62. Interior Columbia Basin Ecosystem Management Project [ICBEMP]
The mission of The Interior Columbia Ecosystem Management Project (ICBEMP) is to develop a scientifically sound and ecosystem based strategy for forest and rangelands administered by the Forest Service ...


63. China Dimensions Data Collection: Fundamental GIS: Digital Chart of China, 1:1M, Version 1 [CIESIN_SEDAC_CD_FUNDGIS]
Fundamental GIS: Digital Chart of China, 1:1M, Version 1 consists of vector maps of China and surrounding areas. The maps include roads, railroads, drainage systems, contours, populated places, and ...


64. ALOS AVNIR-2 Data [alos_avnir-2]
The Advanced Visible and Near Infrared Radiometer type 2 (AVNIR-2) is a visible and near infrared radiometer for observing land and coastal zones. It provides better spatial land-coverage maps and ...


65. ALOS PRISM Data [alos_prism]
The Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM) is a panchromatic radiometer with 2.5m spatial resolution at nadir. Its extracted data will provide a highly accurate digital ...


66. NASA Land Information System (LIS) Data Sets [NASA_LIS_DATA]
The Land Information System (LIS) provides collection of sample data for demonstration of LIS code. The original source of each data set is given whenever possible. LIS does not endorse the validity, ...


67. CLPX-Airborne: Infrared Orthophotography and Lidar Topographic Mapping [NSIDC-0157]
This data set was collected to test the concept of measuring snow depth using aerial lidar. The data set consists of color infrared orthophotography (TerrainVision?? - High resolution Topographic ...


68. 1:50,000 Topographic maps from Japan Antarctic Research Expedition (JARE) [GSI_JARE_TOPOMAPS]
The data set consists of 1:50,000 topographic maps which cover most areas of the Sor-Rondane Mountains, with 21 sheets. The contour interval is 20 m. All maps have been digitalized into raster data ...


69. Geographical Survey Institute (GSI) 1:25,000 Topographic Maps for the Japan Antarctic Research Expedition (JARE) [GSI_JARE_TOPO25]
The data set consists of 1:25,000 topographic maps covering Lutzow-Holm Bukt coast and major bare rock areas and inland mountains. The contour interval is 10 m. Maps of Lutzow-Holm Bukt coast were ...


70. The Historical Map and Chart Collection of the Office of Coast Survey, National Ocean Service (NOS) [NOS_OCS_HISTORICAL]
NOAA's Office of Coast Survey, an office within the National Ocean Service (NOS), is making available its extensive collection of historical maps and charts in digital scanned form to the general ...


71. Australian Digital Elevation Model Data Products [ANU_CRES_AUSDEM]
The Australian Digital Elevation Model (DEM) has been developed using the CRES package ANUDEM. It is available at a continental scale at two spatial resolutions - 1/20th degree and 1/40th degree. ...


72. U.S. Geological Survey (USGS) and the American Geological Institute (AGI) Global GIS Database [Global_GIS]
The U.S. Geological Survey (USGS) and The American Geological Institute (AGI) announced a cooperative agreement that will focus on making the USGS Global Geographic ...


73. Global Plate Boundaries in GIS Format [GEO_CORNELL_PLATES]
This data set contains the arcs delineate plate boundaries. These data are intended for use in making figures and illustrations. Topography and bathymetry data (EROS, 1996; Smith and Sandwell, ...


74. Soil and Terrain Database for Latin America and the Carribean - 1:5 Million Scale [FAO.SOTERLAC]
Up till now the major source of geo-referenced soil data of Latin America and the Carribean at a scale of 1:5 Million was the FAO/UNESCO Soil Map of the World. Since the publication of the South ...


75. ALOS Data (JAXA/EOC) [ALOS_Data_JAXA_EOC]
ALOS is a comprehensive earth observing satellite system which includes optical sensors for high resolution observation, wide area observation, and fine accuracy ...


76. Beechey Point, Alaska Vegetation and Land Cover, USGS, Alaska [EARTH_LAND_USGS_AK_B_Landcover1]
Vegetation and land cover for Beechey Point 1:250,000-scale topographic quadrangle. Derived from a single Landsat MSS scene. Printed map: AK Vegetation and Land Cover Series l-0211. Digital raster ...


77. Geologic map of the Cape Mendocino, Eureka, Garberville, & southwestern part of the Hayfork 30 X 60 Quadrangles and Adjacent Offshore Area, Northern California [USGS_MAP_MF-2336]
This database and accompanying plot files depict the distribution of geologic materials and structures at a regional (1:100,000) scale. The report is intended to provide geologic information for ...


78. Geophysical Terranes of the Great Basin and Parts of Surrounding Provinces [USGS_OFR_2004_1008]
This study of geophysical terranes within and surrounding the Great Basin of the western United States integrates geophysical and geologic data to provide new insights on basement composition and ...


79. Elevation Contours for Study Area of the Forest Ecosystem Dynamics Project Spatial Data Archive [FED_TOPOGRAPHY]
Forest Ecosystem Dynamics (FED) Project Spatial Data Archive: Elevation Contours for the Northern Experimental Forest The Biospheric Sciences Branch (formerly Earth Resources Branch) within the Laboratory ...


80. Terrain and Vegetation of Imnavait Creek, AK: Permanent Plots [ARCSS110]
This data report is a summary of environmental, soil, and vegetation information collected from 73 study plots at the Department of Energy R4D research site, located near Imnavait Creek in northern ...


81. Alaska North Slope 100 m Digital Elevation Model (DEM) [ARCSS301]
This data set is a 100-m resolution digital elevation model (DEM) for the Brooks Range and the North Slope of Alaska. The DEM was created by merging 100 National Elevation Dataset DEM tiles for areas ...


82. Terrain and Vegetation of Imnavait Creek, AK: Toposequence Study [ARCSS111]
This data report is a summary of environmental, soil, and vegetation information collected from 23 study plots at the Department of Energy R4D research site, located near Imnavait Creek in northern ...


83. Meteorology, Vegetation, Radiation, Microtopography, and Thaw Depth Data, Alaska, 1995-1996 [ARCSS012]
Data include temperature, relative humidity, long- and short-wave radiation, photosynthetically active radiation (PAR), leaf area index (LAI), microtopography, and thaw depth data for study sites ...


84. Terrain and Vegetation of Imnavait Creek, AK: Classification and Mapping [ARCSS112]
Investigators classified typical and characterisic vegetation communities in an area in northern Alaska using Braun-Blanquet sorted table analysis, and mapped the communities using integrated geobotanical ...


85. Terrain and Vegetation of Toolik Lake, AK: Permanent Plots [ARCSS018]
This data set is a summary of environmental, soil, and vegetation information collected from 81 study plots at the Toolik Lake research site in northern Alaska. Data include site factors, soil classification, ...


86. Geological surveys, seismology, chemistry, geology and lava sampling at the Mt Erebus summit crater to investigate the behaviour of the volcano [K044_1972_1982_NZ_1]
An international study of the volcanic activity and geological processes taking place on Mt Erebus were investigated over 10 seasons. The broad program involved several investigations. ...


87. Seismic, infrasonic and magnetic induction data from Mt Erebus: 1980-1986, The International Mt Erebus Seismci Survey (IMESS) [K044_1980_1986_NZ_1]
The International Mt Erebus Seismic Survey (IMESS) was conducted on Mt Erebus to monitor and assess the seismic activity of the volcano year round. Seismic, infrasonic and magnetic induction data ...


88. Video surveillance recordings and seismic activity of Mt Erebus: 1986-1991, The International Mt Erebus Eruption Mechanism Study (IMEEMS) [K044_1986_1991_NZ_1]
Studies of the location of earthquake foci at Mt Erebus found that eruption earthquakes had an apparent range of depths to 4km, but that infrasonic signals were more consistant with a surface origin. ...


89. Africa Soil Information Service (AfSIS): Hydrologically Corrected/Adjusted SRTM DEM (AfrHySRTM) [ICRAF_AfSIS_AfrHySRTM]
The Africa Soil Information Service: Hydrologically Corrected/Adjusted SRTM DEM (AfrHySRTM) is an adjusted elevation raster in which any depressions in the source Digital Elevation Model (DEM) have ...


90. Africa Soil Information Service (AfSIS): Specific Catchment Area (SCA) [ICRAF_AfSIS_SCA]
The Africa Soil Information Service (AfSIS): Specific Catchment Area (SCA) is a 90m raster dataset showing local flow accumulation and flow direction using the formula SCA = A/I, where A is unit contributing ...


91. Africa Soil Information Service (AfSIS): Topographic Wetness Index (TWI) [ICRAF_AfSIS_TWI]
The Africa Soil Information Service (AfSIS): Topographic Wetness Index (TWI) is a 90m raster dataset showing zones of increased soil moisture where the landscape area contributing runoff is large ...


92. 1:1,000,000 Compressed ARC Digitized Raster Graphics (CADRG) [Canada_DND_CADRG1000000]
Compressed ARC Digitized Raster Graphics (CADRG) is to be developed as a jointly coordinated common compression of ARC Digitized Raster Graphics (ADRG) for use in any application ...


93. Arizona Regional Image Archive Digital Raster Graphic 100K [ARIA_drg_100k]
This data set contains 1:100k digital raster graphics. [Summary provided by the Arizona Regional Image Archive.]


94. Arizona Regional Image Archive Digital Raster Graphic 24K [ARIA_drg_024k]
This data set contains 1:24 k digital raster graphics. [Summary provided by the Arizona Regional Image Archive.]


95. Arizona Regional Image Archive Digital Raster Graphic 250K [ARIA_drg_250k]
This data set contains 1:250k digital raster graphics. [Summary provided by the Arizona Regional Image Archive.]


96. National Elevation Data Set for Arizona [ARIA_dem_ned]
This data set contains the National Elevation Data Set for Arizona. The U.S. Geological Survey has developed a National Elevation Dataset (NED). The NED is a seamless mosaic of best-available elevation ...


97. Canada3D - Digital Elevation Model of the Canadian Landmass [Canada_CTI_Canada3D]
Canada3D is a digital elevation model (DEM) produced by the Canadian Forestry Service, Ontario region and you can obtain this free product on the Web site of the Centre d'information ...


98. Canadian Digital Elevation Data (CDED) [Canada_CTI_CDED]
The Canadian Digital Elevation Data (CDED) consists of an ordered array of ground elevations at regularly spaced intervals. The CDED is based on National Topographic Data Base ...


99. Vector Map Level 0 (VMap0) and Vector Map Level 1 (VMap1) [Canada_CTI_VMAP0]
The Vector Map Level 0 (VMap0) and Vector Map Level 1 (VMap1) databases are designed to provide vector-based geospatial data at low (VMap0) and medium (VMap1) resolutions. ...


100. Geological and survey operations between the Nimrod and Beardmore Glaciers 1959-1960 [K002_1959_1960_NZ_1]
As part of the TransAntarctic Expedition, the Victoria Land mountain chain extending from Cape Adare to the Horlick Mountains was surveyed during the 1957-1959 field seasons. Two large unmapped areas ...


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