FlowDEM
MERIT Hydro
Global hydrography datasets from MERIT DEM. 90 m flow direction, upstream area, river width and HAND.
Flow direction, flow accumulation, hydrologically adjusted elevation, river width and height above nearest drainage, derived from MERIT DEM with water body maps from Landsat and OpenStreetMap.
- Source
- University of Tokyo (Yamazaki Lab)
- Resolution
- 90 m (3 arc-second)
- Data type
- Raster
- Time span
- Static (released 2019)
- Temporal
- Static
- Access type
- Registration with provider · Download link sent after a short registration
- Formats
- GeoTIFF
- Coverage
- 60°S – 90°N (-180, -60, 180, 90)
- Licence
- CC BY-NC 4.0 or ODbL 1.0
- Provider page
- hydro.iis.u-tokyo.ac.jp/~yamadai/MERIT_Hydro/
Cite as. Yamazaki, D., et al. (2019). MERIT Hydro: A High-Resolution Global Hydrography Map Based on Latest Topography Dataset. Water Resources Research, 55, 5053–5073. https://doi.org/10.1029/2019WR024873
Access
This provider asks users to register or request the data on its own site: http://hydro.iis.u-tokyo.ac.jp/~yamadai/MERIT_Hydro/
curl "https://hydrological.org/api/v1/datasets/merit-hydro/links?bbox=-75,-20,-50,5" \
-H "Accept: application/json"import requests
r = requests.get("https://hydrological.org/api/v1/datasets/merit-hydro/links",
params={"bbox": "-75,-20,-50,5"})
for group in r.json()["groups"]:
for link in group["links"]:
print(link["url"])const res = await fetch("https://hydrological.org/api/v1/datasets/merit-hydro/links?bbox=-75,-20,-50,5");
const { groups } = await res.json();
for (const g of groups) g.links.forEach(l => console.log(l.url));Also available as JSON: links · manifest · dataset record
