In the simple (tangent) conic projection the scale is exaggerated both north and south of the standard parallel. To counteract this, the Albers projection uses two standard parallels, one in the upper and one in the lower part of the map. The greatest accuracy is obtained if the selected standard parallels enclose two-thirds the height of the map. The units are in kilometres in order to produce easily used area measurements. Used for the conterminous United States, normally using 29°30' and 45°30' as the two standard parallels. PROJCS["Africa_Albers_Equal_Area_Conic", GEOGCS["GCS_WGS_1984", DATUM["WGS_1984", SPHEROID["WGS_1984",6378137,298.257223563]], PRIMEM["Greenwich",0], UNIT["Degree",0.017453292519943295]], PROJECTION["Albers_Conic_Equal_Area… Scope: Data analysis and small scale data presentation for contiguous lower 48 states. So, I think the coordinate system "SR-ORG:7823: Albers Conical Equal Area Brazil (SIRGAS 2000)" that you listed will be appropriated. Albers Equal Area Projection (EPSG code 9822). ESRI WKT. Using spTransform, I reprojected a shp,in WGS 1984, to USGS projection. I just downloaded NWI data and tried to connect to it but AutoCAD does not recognize the datum. Proj4. For South America Albers Equal Area Conic (ESRI 102033), for example, it is: Download. Proj4. Description: +proj=aea +lat_1=20 +lat_2=-23 +lat_0=0 +lon_0=25 +x_0=0 +y_0=0 +ellps=WGS84 +datum=WGS84 +units=m no_defs. The area is the square of that. Scroll through the results and select North_America_Albers_Equal_Area_Conic (EPSG:102008) projection … Information and installation scripts for the addition of USGS Albers Equal projections to common GIS systems. Information source: State of Alaska Department of Natural Resources. Although neither shape nor linear scale is truly correct, the distortion of these properties is minimized in the region between the standard parallels. Merideans are equally spaced radii of the same circles and intersect parallels at right angles. For applications with an accuracy of better than 1m, replaced by NAD83 (HARN) / Conus Albers (CRS code 5071). Coordinate … JSON. Best results for regions predominantly east–west in orientation and located in the middle latitudes. Total range in latitude from north to south should not exceed 30–35°. No limitations on the east–west range. Used for small regions or countries but not for continents. 2 Diagram of the General Ensemble Biogeochemical Model System (GEMS). Remarks: Replaces NAD27 / Conus Albers (CRS code 5069). Left: Unprojected (Longitude/Latitude) using World Geodetic System 1984 Datum (WGS84) (EPSG = 4326) Right: USA Contiguous Albers Equal Area Conic, USGS (EPSG = … Information source: US Geological Survey. GML. When I load it into to QGIS the CRS is not recognized. reprojected from native MODIS projection: Sinusoidal. This line of true scale is called the standard parallel or standard line. In the simple (tangent) conic projection the scale is exaggerated both north and south of the standard parallel. To counteract this, the Albers projection uses two standard parallels, one in the upper and one in the lower part of the map. ESRI WKT. So as FSimardGIS says, simply use the PROJ4 string of Canada Albers Equal Area Conic: ESRI:102001. China Albers Equal Area Conic (Google it) An equal area projection for all of China created by the Australian Centre for Asian Spatial Information and Analysis Network (ACASIAN), Griffith University, for its China GIS Project. Support for these Albers Equal-Area Conic projections in commercial and open source GIS software is limited as these projections have only slowly been registered with the EPSG Geodetic Parameter Dataset Exit. Proj4. Merideans are equally spaced radii of the same circles and intersect parallels at right angles. JSON. Method: Geocentric translations (geog2D domain) Area of use: United States (USA) - Alaska. The proj4string is: Albers Equal Area Conic. SR-ORG:7564. SR-ORG:4691: ALB_INDIA_IIRS. All datasets have been processed and delivered in Alaska Albers Equal Area Conic (EPSG:3338), NAD83 horizontal datum and NAVD88 vertical datum. One method to calculate the standard parallels is by determining the range in latitude in degrees north to south and dividing this range by six. I think an old standby would be Albers Equal Area Conic USA (102003), but some of the new whole-earth projections from Esri work well like Equal Earth Americas (8858). 4362 EPSG references; 447 ESRI references; 2380 IAU2000 references; 2717 spatialreference.org references; Recently Viewed. Information source: ESRI. This projection is best suited for area extending in an east-to-west orientation like the conterminous United States. Description: +proj=aea +lat_1=15 +lat_2=65 +lat_0=30 +lon_0=95 +x_0=0 +y_0=0 +ellps=WGS84 +datum=WGS84 +units=m no_defs. Well Known Text as HTML. - pauldzy/USGS_Albers_Equal_Area_Projections The Albers equal-area conic projection, is a map projection that uses two standard parallels to reduce some of the distortion of a projection with one standard parallel. Used for the conterminous United States, normally using 29°30' and 45°30' as the two standard parallels. Description: +proj=aea +lat_1=29.5 +lat_2=45.5 +lat_0=37.5 +lon_0=-96 +x_0=0 +y_0=0 +ellps=GRS80 +datum=NAD83 +units=m no_defs. Albers Lambert conformal conic; Creator: Heinrich C. Albers (1805) Johann Heinrich Lambert (1772) Group: Conic: Conic: Property: Equal-area: Conformal: Other Names: Albers equal-area conic projection; LCC projection; Remarks: Standard parallels in … Human-Readable OGC WKT. Asia North Albers Equal Area Conic (Google it) Well Known Text as HTML. Definition: Well Known Text (WKT) Open. Spatial deployment of the encapsulated plot-level biogeochemical model over large areas is based on the joint frequency distribution (JFD) grid or table and the automated model parameterization system (AMPS) Scope: Small scale mapping and state planning. JSON. In QGIS, when you set the CRS, there is a window t the bottom that shows the WKT version of the CRS, and the Proj version. North America Albers Equal Area Conic 6 years ago EPSG:102008 Projected coordinate system NAD83 / New Jersey (ftUS) OGC WKT. ". In Geosoft GXF format it is known by the name "*Albers Equal-Area Conic"indicating that it isn't an EPSG projection. Covered area powered by MapTiler. One method to calculate the standard parallels is by determining the range in latitude in degrees north to south and dividing this range by six. Covered area powered by MapTiler. Scope: Data analysis and small scale data presentation for contiguous lower 48 states. UTM NAD 83 did not get it even close. EPSG:3665: NAD83 (NSRS2007) / Texas Centric Albers Equal Area. Human-Readable OGC WKT. Below are instructions for adding these projections to your GIS. As you mention, the crs of USGS Albers Equal Area Conic comes out to be exactly what you have written, specifically the +towgs84=0,0,0,0,0,0,0 which contains the datum info. WKID 3857, like all conformal projections, is focused on maintaining direction and shape. Dan, about my original problem, my study area is in Brazil. Most of the maps in the National Atlas of the United States use the … Geodetic CRS: NAD83 (2011) Datum: NAD83 (National Spatial Reference System 2011) Ellipsoid: GRS 1980. In the Coordinate Reference System Selector dialog, enter north america in the Filter search box. Projection type: Albers Equal Area (referenced as Hawaii_Albers_Equal_Area_Conic (EPSG:102007)) Spheroid name: GRS 1980 Datum name: NAD83 Latitude of 1st parallel: 8.00 N Latitude of 2nd parallel: 18.00 N Longitude of central meridian: -157.00 W Latitude of origin of projection: 3.00 N False easting at central meridian: 0.0 meters The Albers projection is used by the United States Geological Survey and the United States Census Bureau. ESRI:102001. Actually, it's two administrative regions of São Paulo state. USA_Contiguous_Albers_Equal_Area_Conic_USGS_version (Google it) From a .prj file in USA_Contiguous_Albers_Equal_Area_Conic_USGS_version. I get the following stack trace when trying to use projection in View (in a hello world project that works otherwise without it): “EPSG:102008” in openlayers View: View.js:1474 Uncaught TypeError: Latitude of Origin is 0d 0' 0". Canada Albers Equal Area Conic (Google it) Well Known Text as HTML. Area and distance measurements can be very off, as you are seeing with TX. GML. Central Meridian used was 96d W. std Parallels of 29d 30' 0" and 45d 30' 0". Is it possible to project EPSG: 6350 (NAD83 (2011)) as WKID: 102039 (USA_Contiguous_Albers_Equal_Area_Conic_USGS) in QGIS? GML. ESRI:102013. Well Known Text as HTML. SR-ORG:6620: US EPA Region 3 Albers GRS80 NAD83. Data source: OGP. Prime meridian: Greenwich. Data source: PROJ.4. The data includes FGDC Metadata, hydrologic enforcement, quality masks, and no more than 3% of void fill. Copy TEXT. Human-Readable OGC WKT. OGC WKT. Easting & Northing are 0.0000000000 m. Datum: sphere (a sphere of radius 6370997 m) Resolution is 250 meters. Hello, I have a shapefile that uses the ESRI North America Albers Equal Area Conic projection. This is a conic projection with parallels being unequally spaced arcs of concentric circles, more closely spaced at north and south edges of the map. Unprojected Latitude and Longitude (EPSG 4326) Common Large Country and Continent Projected Coordinate Systems Albers Equal Area Conic. Revision date: 2010-03-30. I can't find anythng remotely similar to that in the coordinate system library. GeoTIFF: I have incorporated a version that corresponds to the GeoSoft, Intergraph andPCI definitions, and mostly like the second option here, but usingNatOriginLat, and NatOriginLong rather than FalseOriginLat/FalseOriginLong orNatOriginLat/CenterLong as sometimes is done. epsg code 9822) Expected Output I expect the following working. Human-Readable OGC WKT. Revision date: 2006-11-11. Canada Albers Equal Area Conic: ESRI:102001 is not an EPSG SRID value but an ESRI SRID value not recognized by PyProj. Revision date: 2013-06-08. Method: Geocentric translations (geog2D domain) Reported (recent GDAL SVN HEAD): When it is read into a GeoDataFrame using the read_file() function, the resulting crs is {'init': 'epsg:102008'}. ESRI WKT. OGC WKT. Attributes. SR-ORG:6630: Albers Conical Equal Area as used by mrlc.gov (NLCD) SR-ORG:6642: Australia Albers Equal Area Conic. Covered area powered by MapTiler. Proj4. There is no EPSG code and I'm unsure how to create a custom CRS. Albers Equal Area Conic is a common projection for maps of the continental United States that has historically been used by the United States Geological Society (USGS). OGC WKT. SR-ORG:6643: Australia Albers Equal Area Conic. Information source: ESRI. USFWS says the data is "an equal area Albers projection with a North American Datum (NAD) of 1983." For this projection, the maximum scale distortion for the 48 states is 1.25 percent. Copy URL. The Albers equal-area conic projection, or Albers projection, is a conic, equal area map projection that uses two standard parallels. Europe Albers Equal Area Conic (Google it) Well Known Text as HTML. Albers Equal Area Conic projection system uses two standard parallels to reduce the distortion of shape in the region between the standard parallels. Data source: PROJ.4. The Albers equal-area conic projection, is a map projection that uses two standard parallels to reduce some of the distortion of a projection with one standard parallel. Although neither shape nor linear scale is truly correct, the distortion of these properties is minimized in the region between... Albers Equal Area Projection (EPSG code 9822). In R, I see that the new projected shapefile has the USGS albers projection string. Although scale and shape are not preserved, distortion is minimal between the standard parallels. Albers equal-area conic projection Fig. I cannot project my shapefile to Albers_Conic_Equal_Area (i.e. For this projection, the maximum scale distortion for the 48 states is 1.25 percent. ESRI:102025. The authors report the spatial reference system is "Albers equal area conic projection (WGS 1972)". It contains the length unit. This is a conic projection with parallels being unequally spaced arcs of concentric circles, more closely spaced at north and south edges of the map. Albers Equal Area (EPSG::9822) Lambert Conic Conformal (EPSG::9801, 9802, 9826) Oblique Stereographic (EPSG::9809) Satellite-Tracking projection; This problem impacts in particular the cases when one of above projections is used in an area crossing the anti-meridian (±180°). JSON. newdata.crs = from_epsg(9822) Output of geopandas.show_versions() [paste the output of geopandas.show_versions() here leaving a blank line after the details tag]
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