The land processes distributed active archive center lp daac is responsible for the archive and distribution of nasa making earth system data records for use in research environments srtm, which includes the global 30 arc second 1,000 meter product. This dataset, as well as other nasausgs data products, are available from the land processes distributed active archive center lp daac at eros. Our archive spans from 1937 aerial photographs to millions of satellite images of the earths surface, starting with the. Gtopo30 dtm web reference 5, a newer global digital elevation model derived by usgs from different sources of vector or. Boreas regional dem in raster format and aeac projection. Geochemical and mineralogical data for soils of the. Geological survey converted the geologic data to a di. Download fulltext pdf spatial turnover in the global avifauna article pdf available in proceedings of the royal society b. It was created between 19931996 by a team led by the us geological survey from a range of raster and vector data sources. Highresolution mapping of global surface water and its.
Elevations in gtopo30 are regularly spaced at 30arc seconds approximately 1 kilometer. Miscellaneous investigations series map i1825 publication date. Office of surface mining reclamation and enforcement u. Apr 29, 2020 interactively search for and download or order data from the laads daac. We use your linkedin profile and activity data to personalize ads and to show you more relevant ads. We have implemented new safety and fieldwork processes to maintain social distancing to ensure the safety of our employees and. Completed in 1997, the global 30arcsecond dem project gtopo30 was. Explore the worlds largest civilian collection of images of the earths surface. Geological survey usgs research physical scientists at the earth resources observation and science eros center in that he spends less time looking at the past and present, and more time peering into the future. Shows routes of the principle explorers in the contiguous 48 states. Since 2001, the usgs global visualization viewer glovis has been available to users for accessing remote sensing data. Other gtop30 data cannot be read at the same time when two or more files are under the same folder.
The edc is provided asis, with no support contract. We are operating at maximum telework and continue to conduct the important work of the usgs, including maintaining mission essential and critical functions. The boreas region was extracted from the gtopo30 data and reprojected by boreas staff into the aeac projection. The eudem is a hybrid product based on srtm and aster gdem data fused by a weighted averaging approach and it has been generated as a contiguous dataset divided into 1 degree by 1 degree tiles, corresponding to the srtm naming convention. Vegetationrelated parameters vegetation type albedo rmin sm1 lai rough m displacement m 1 evergreen needleleaf forest 0. Digital geologic map of spokane county and vicinity, washington and idaho. Distributed active archive center lp daac from which you likely downloaded this. Systematic geochemical and mineralogical survey of soil horizons analyzed using a consistent set of methods, sample spacing 1 per 1,600 sq km. Shipping times are estimations after the package has been shipped from the usgs warehouse. Land resources, earth resources observation and science eros center. A schematic presentation on the comparisons performed between scene characteristics and. Choose a region continental us upper rio grand river basin haiti continental africa east africa north africa southern africa west africa afghanistan central asia kazakhstan pakistan south central asia southwest asia tajikistan central america caribbean global yemen. Orders may take up to 10 business days to be shipped.
At the usgs eros center, we study land change and produce land change data products used by researchers, resource managers, and policy makers across the nation and around the world. Department of the interior publishing organization. Surficial geologic map of the steamboat springs 30 x 60 quadrangle, grand, jackson, and routt counties, colorado authors. Geological survey, eros data center distributed active archive center edc daac. According to wikipedia, a digital raster graphic drg is a digital image resulting. Find satellite images and data, aerial photography, elevation and land cover datasets, digitized maps, and our image gallery collections. The complete data set of the gtopo30 in a cdrom which you get from the usgs etc. The gtopo30 dataset provides an elevation model at a 30 arcsecond resolution for the entire global landmass. Gtopo30 is a global digital elevation model dem with a horizontal grid spacing.
Geological survey s eros data center distributed active archive center edc daac. The us geological survey s usgs earth resources observation systems eros data center edc in sioux falls, sd, usa, is the primary national archive for land processes data and one of the national aeronautics and space administrations nasa distributed active archive centers daac for the earth observing system eos. With easyto use navigation tools, users can instantly view and download scenes. In 2017, it was redesigned to address changing internet technologies. Spurious barometric pressure acceleration in antarctica. Geological survey usgs developed a global topographic elevation model designated as gtopo30 at a horizontal resolution of 30 arcseconds for the entire earth. Earth resources observation and science eros center. The location and persistence of surface water inland and coastal is both affected by climate and human activity 1 and affects climate 2,3, biological diversity 4 and human wellbeing 5,6. Geological survey s eros data center in sioux falls, south dakota. The dems were downloaded from the usgs us geodata website at gov docedchomendcdbndcdb. Earth resources observation and science eros center usgs. Access to the data is governed by the draft delegated regulation on copernicus data and information policy.
Usgs eros archive global 30 arcsecond elevation gtopo30. Product suite product daac mod09 surface reflectance edc mod11 surface temperature and emissivity edc mod43 brdfalbedo edc mod10 snow cover nsidc mod29 sea ice extent nsidc mod vegetation indices edc mod15 laifpar edc mod17 net primary vegetation production edc mod12 land cover and change edc mod14 thermal anomalies and fire edc. If you ever find yourself looking for geospatial data, eros. The land processes distributed active archive center lp daac is one of several disciplinespecific data centers within the nasa earth observing system data and information system eosdis.
Data specialists, system engineers, user service representatives, and science communicators work in collaboration to support lp daac. High spatial resolution satellite observations for validation. The lp daac is located just outside of sioux falls, south dakota at the usgs earth resources observation and science center. Download data directly or order data to be optionally post processed andor staged for download.
While, these investigations have shed some light, they have not provided convincing evidence for a particular reservoir. Geological survey usgs, in partnership with several international agencies and universities, has produced a global land cover characteristics database. The lp daac operates as a partnership between the u. North america digital elevation model represents an elevation map for north america derived from the global digital elevation model dem gtopo30 data sets from the u. Office of surface mining reclamation and enforcement publication date.
A global hydrologic database derived from 1996 gtopo30 data. Spurious barometric pressure acceleration in antarctica and. The 2016 national land cover database nlcd product suite available on. Green dots show locations of the 37reader stations. Because no single source of topographic information covered the entire land surface, gtopo30 was derived from eight raster and vector sources that included a. Unmanned aircraft systems uas sutterfield hollow, mo west fork mine march 31, 2016. Interactively search for and download or order data from the laads daac. Coverage maps indicating the availability of hydro1k products are available for download. Earthexplorer provides users the ability to query, search, and download. The time required to complete this information collection is estimated to average 2 minutes per response. Search by product name, keywords or data characteristics, collection number, date ranges, and geographic area of interest.
Geochemical and mineralogical data for soils of the conterminous united states. Elevation units are in meters or feet relative to national geodetic vertical datum of 1929 ngvd 29 in the continental u. Pdf ecologic and geographic distribution of filovirus disease. Gtopo30 is a global digital elevation model dem resulting from a. Scientific agency for natural sciences, including earth science and biology. We will not distribute responses associated with you as an individual. This dataset was derived from multiple sources that were compiled mainly by chris verden at the eros data center edc in sioux falls, sd. The nasa srtm product with sample spacing of 3 arc second 90 meter generated by a 3 x 3 averaging of the 1 arc second data are then 10 x 10. The lp daac is located at the usgs earth resources observation and science eros center in sioux falls, south dakota. The land cover data were created using multitemporal analysis of advanced very high resolution radiometer satellite images in conjunction with other existing geographic data.
The elevation data available here are a result of the global 30 arcsecond elevation data project being carried out by staff of the usgs eros data center edc in sioux falls, south dakota and the colocated united nations environment program global resource information database office unepgrid. Usgs earth resources observation and science eros center archive spans from 1937 aerial photographs to millions of satellite images of the earths surface, starting with the original earth orbits in the 1960s and first landsat satellite in 1972, to our current hourly additions of satellite images. Lp daac land processes distributed active archive center sioux falls, sd. However with additional funding asa is quite willing to make further modifications to the edc, such as. The land processes distributed active archive center lp daac is. These data were by developed by the usgs eros data center in 1996 from a variety of data sources. Gtopo30 is a global raster digital elevation model dem providing terrain elevation data with a horizontal grid spacing of 30 arc seconds approximately 1 kilometer. We also operate the landsat satellite program with nasa, and maintain the largest civilian collection of images of the earths land surface in existence, including tens of millions of satellite. Gtopo30 was derived from several raster and vector sources of topographic information. It can be considered to be either an srtm data set enhanced with gtopo30, or as an upgrade to gtopo30. Gtopo30 is a global digital elevation model dem resulting from a collaborative effort led by the staff at the u. National aerial photography program napp color infrared little rock, arkansas march 24, 2001.
For topographic characterization, we utilized usgs gtopo30 and extracted average slope and slope range for each scene. Ecologic and geographic distribution of filovirus disease. Crossvalidation of the two gravity data set available over adriatic sea. On august 28, 1990, nasa and usgs established eros as a distributed active archive center, or daac. Validation and fusion of different databases in preparation. High spatial resolution satellite observations for. Three arcsecond sampled data from the edc have been generated from the one arcsecond data. Geological survey usgs and the national aeronautics and space administration nasa and is a component of nasas earth observing system data and information system. These gaps have been filled using a bilinear interpolation on the dtmold, where this contained national dtms, whereas in the areas where the dtmold is filled with etopo5u, the gaps have been filled with the 30 30.
225 584 1192 300 101 979 597 1546 1178 1471 913 355 612 1113 38 1321 1104 465 1136 1455 781 295 1403 411 1347 463 234 488 473 595