GPD Forum IPN

Charts of data quality

Percent of sites by basin size

  • [0,1] km²

  • [1,25] km²

  • [25,250] km²

  • [250,750] km²

  • >750 km²

Percent of sites by catchment size

  • [0,10] km²

  • [10,250] km²

  • [250,750] km²

  • >750 km²

Percent of sites by land description

  • Unknown

  • Mountains

  • Lowland plain

  • Rolling upland

  • Coastal plain

  • Lowland river valley

  • Upland plain

  • Dissected upland

  • Hummocky/dissected

  • Other

  • Marine

  • Basin/range

  • Plateau

  • Alluvial plain

  • Meadow

  • Dunefield

  • Island upland

  • Interdunal lake fed by river and aquifer

  • Shallow lake with ample level fluctuations

  • Afromontane forest

Percent of sites by site type

  • Lacustrine

  • Unknown

  • Wetlands

  • Terrestrial

  • Coastal

  • Marine

Percent of sites by sub types of types
Percent of sites by sub type (type : Ice)
    Percent of sites by sub type (type : Marine)

    • Marine

    Percent of sites by sub type (type : Coastal)

    • Coastal

    • Estuary

    • Salt marsh

    • Lagoon

    Percent of sites by sub type (type : Lacustrine)

    • Lacustrine

    • In and out flow

    • Closed basin

    • Outflow only

    • Inflow only

    Percent of sites by sub type (type : Wetlands)

    • Wetland; peat bog

    • Wetland; fen; swamp; marsh; mire; permanent

    • Wetland; pond; small hollow; permanent

    • Wetland; fen; swamp; marsh; mire; seasonal

    • Wetland; pond; small hollow; seasonal

    Percent of sites by sub type (type : Terrestrial)

    • Terrestrial; soil

    • Terrestrial; loess

    • Terrestrial; fluvial; alluvial

    • Terrestrial; cave

    Percent of sites by sub type (type : Unknown)

    • Unknown

    • Other

    Sites with proxy unit data
    Percent of sites by proxy unit
    Sites with method counting data
    Percent of sites by method counting
    Sites with method treatment data
    Percent of sites by method treatment
    Sites with proxy data
    Percent of sites by proxy