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Column key of attribute tables

File: GRDC_675_rivers_ro.shp

  • River_Id: identification number of the single river/lake
  • River_lake: name of the single river/lake
  • Bas_id: identification number of the drainage basin
  • Drainage: name of the drainage basin
  • Area_calc: calculated area of the drainage basin (km²)
  • In_out: 1= drainage into lake or sink; 0 = darinage into the ocean
  • Class*: classification interval (km³), derived from calculated mean river discharge 1961-1990 as computed with WaterGAP 2.1 (Universities of Frankfurt and Kassel, 2007)
    * maximum (highest) assigned classification interval along a river
  • Cat: category related to the classification interval (maximum value)
  • Wmo_Reg: WMO Region (1 = Africa, 2 = Asien, 3 = Südamerika, 4 = Nord und Mittelamerika, 5 = Australien und Ozeanien, 6 = Europa)

File: GRDC_675_rivers_class_ro.shp

  • River_lake: name of the single river/lake
  • Class: classification interval (km³), derived from calculated mean river discharge 1961-1990 as computed with WaterGAP 2.1 (Universities of Frankfurt and Kassel, 2007)
  • Cat: category related to the classification interval
  • River_Id: identification number of the single river/lake
  • Bas_id: identification number of the drainage basin
  • Drainage: name of the drainage basin

File: GRDC_394_basins_from_mouth_ro.shp

  • Drainage: name of the drainage basin
  • Area_calc: calculated area of the drainage basin (km²)
  • Basin_id: identification number of the drainage basin
  • In_out: 1= drainage into lake or sink; 0 = darinage into the ocean
  • Mq_m3/s: long-term mean discharge [m³/s] of the gauging station nearest to the mouth that is represented in GRDC’s database (-999 = no GRDC station or not enough values)
  • Vol(km3): mean annual discharge [km³] of the gauging station nearest to the mouth that is represented in GRDC’s database (-999 = no GRDC station or not enough values)

File: GRDC_lakes_join_riv_ro

  • River_Id: identification number of the single river/lake
  • River_lake: name of the single river/lake
  • Bas_id: identification number of the drainage basin
  • L_area: surface area of the lake or river lake (km²)
  • Drainage: name of the drainage basin
  • Area_calc: calculated area of the drainage basin (km²)
  • Class: classification interval (km³), derived from calculated mean river discharge 1961-1990 as computed with WaterGAP 2.1 (Universities of Frankfurt and Kassel, 2007)
  • Cat: category related to the classification interval
  • Wmo_Reg: WMO Region (1 = Africa, 2 = Asien, 3 = Südamerika, 4 = Nord und Mittelamerika, 5 = Australien und Ozeanien, 6 = Europa)
Classification Intervals
12345678910
0-55-1010-5050-100100-500500-800800-12001200-20002000-3000>3000

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