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Dataset

Global maps of annual streamflow at 1 km resolution (FLO1K) 1960 – 2015 – PBL

Permanente linkGekopiëerd
Status Beschikbaar
Data eigenaar Planbureau voor de Leefomgeving
Bijgewerkt 04-04-2022
Licentie CC-BY (4.0)
Thema
  • Natuur en milieu
Toegang Publiek
Metadata Download (XML/RDF)

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Beschrijving

FLO1K, global maps of mean, maximum and minimum annual streamflow at 1 km resolution from 1960 through 2015.

Streamflow data is highly relevant for a variety of socio-economic as well as ecological analyses or applications, but a high-resolution global streamflow dataset is yet lacking. We created FLO1K, a consistent streamflow dataset at a resolution of 30 arc seconds (~1 km) and global coverage. FLO1K comprises mean, maximum and minimum annual flow for each year in the period 1960–2015, provided as spatially continuous gridded layers. We mapped streamflow by means of artificial neural networks (ANNs) regression. An ensemble of ANNs were fitted on monthly streamflow observations from 6600 monitoring stations worldwide, i.e., minimum and maximum annual flows represent the lowest and highest mean monthly flows for a given year. As covariates we used the upstream-catchment physiography (area, surface slope, elevation) and year-specific climatic variables (precipitation, temperature, potential evapotranspiration, aridity index and seasonality indices). Confronting the maps with independent data indicated good agreement (R2 values up to 91%). FLO1K delivers essential data for freshwater ecology and water resources analyses at a global scale and yet high spatial resolution.

Bestemmingspagina: https://www.nature.com/articles/sdata201852

discharge flo1k freshwater river rivers rivier rivieren rivierstromingen streamflow zoetwater

Eigenaar

Gegevens van de aanbieder

Data eigenaar:
Planbureau voor de Leefomgeving

Contactpunt

Afdeling:
PBL
E-mailadres:
geoloket@pbl.nl

Publicatie

Publicerende organisatie:
Planbureau voor de Leefomgeving
Bron catalogus:
https://data.overheid.nl

Hergebruik

Toegang:
Publiek
Status van de dataset:
Beschikbaar

Licentie en voorwaarden

Licentie:
CC-BY (4.0)

Locatie en tijd

Tijdsdekking

Naam:
1960 - 2015

Relaties

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  8. Copernicus Land monitoring services High Resolution land cover characteristics for the 2015 reference year: Lot 4 – Water and Wetness product (raster) - version 02
  9. Copernicus Land monitoring services High Resolution land cover characteristics for the 2015 reference year: Lot 4 – Water and Wetness Probability Index (raster) - version 02
  10. Annual rate of change CPI; since 1963

Metadata

Taalinstellingen

Taal dataset

  • Engels

Taal van de metadata

  • Nederlands

Identificatie

Primaire identificatie van deze dataset

Alternatieve identificaties van deze dataset

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Downloads

FLO1K

TIFF CC-BY (4.0)

The annual flow metrics are:

  • qav, average annual flow: average over the 12 mean monthly flow values of the year [m3/s]
  • qma, maximum annual flow: highest mean monthly flow value over the year [m3/s]
  • qmi, minimum annual flow: lowest mean monthly flow value over the year [m3/s]