This spatial dataset is a subset of the data layer
hybas_eu_lev08_v1c from the HydroBASINS v1.c database
(Lehner and Grill, 2013).
The original data format was SHP (ESRI Shape File).
The subset consists of subbasins within the Rhine basin, i.e.
MAIN_BAS = 2080023010.
An Object of class SpatialPolygonsDataFrame with 289 features. The attribute table comprises 13 fields:
factor, unique basin identifier
factor, Hybas_id of the next downstream polygon
factor, Hybas_id of the next downstream sink
factor, Hybas_id of the most downstream sink, i.e. the outlet of the main river basin
numeric, Distance from polygon outlet to the next downstream sink along the river network, in kilometers
numeric, Distance from polygon outlet to the most downstream sink, i.e. the outlet of the main river basin along the river network, in kilometers
numeric, Area of the individual polygon (i.e. sub-basin), in square kilometers
numeric, Total upstream area, in square kilometers, calculated from the headwaters to the polygon location (including the polygon)
int, the Pfafstetter code
int, Indicator for endorheic (inland) basins without surface flow connection to the ocean: 0 = not part of an endorheic basin; 1 = part of an endorheic basin; 2 = sink (i.e. most downstream polygon) of an endorheic basin.
int, indicator for lumped coastal basins: 0 = no; 1 = yes
int, Indicator of river order (classical ordering system): order 1 represents the main stem river from sink to source; order 2 represents all tributaries that flow into a 1 st order river; order 3 represents all tributaries that flow into a 2 nd order river; etc.; order 0 is used for conglomerates of small coastal watersheds
int, Indicator showing the record number (sequence) in which the original polygons are stored in the shapefile (i.e. counting upwards from 1 in the original shapefile).
The PROJ.4 string is
+proj=longlat +datum=WGS84 +no_defs +ellps=WGS84+towgs84=0,0,0
This product rhineHYBASlev08 incorporates data from the HydroSHEDS database which is (C) World Wildlife Fund, Inc. (2006-2013) and has been used herein under license. WWF has not evaluated the data as altered and incorporated within rhineHYBASlev08, and therefore gives no warranty regarding its accuracy, completeness, currency or suitability for any particular purpose. Portions of the HydroSHEDS database incorporate data which are the intellectual property rights of (C) USGS (2006-2008), NASA (2000-2005), ESRI (1992-1998), CIAT (2004-2006), UNEP-WCMC (1993), WWF (2004), Commonwealth of Australia (2007), and Her Royal Majesty and the British Crown and are used under license. The HydroSHEDS database and more information are available at http://www.hydrosheds.org.
B. Lehner and G. Grill, 2013, Global river hydrography and network routing: baseline data and new approaches to study the world’s large river systems, Hydrological Processes, 27, 2171–2186, doi: 10.1002/hyp.9740.
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## Catchment of gauge Mainz / Rhein ## HYBAS uses a modified version of Pfafstetter op.old <- options() options("hydrocode.alloddorzero" = TRUE) ok <- is.downstream(23263070, rhineHYBASlev08$PFAF_ID) MzBas <- subset(rhineHYBASlev08, subset = ok) sp::plot(rhineHYBASlev08) sp::plot(MzBas, add = TRUE, col = "red") ## get catchment size ## AEO : 98206 km2 according to website sum(MzBas$SUB_AREA) ## reset previous settings options(op.old)
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