Move the cursor over land. Click to pin a basin.
highlight
no highlight
very land dependent (over 80% from land)
most land dependent (over 90% from land)
very ocean dependent (over 80% from ocean)
most ocean dependent (over 90% from ocean)
land dependent, most deforested rainsheds
risk exposure
off
deforested rainshed × people
deforested rainshed × cropland
forest loss in the rainshed itself
none of it 80% or more
how much of the land supplying the basin lies
in a cell that lost forest, 2001–2025
The two views above multiply this by how much of the
basin's rain comes from land at all. This is the deforestation of the
rainshed on its own, so a basin reads pale either because its
rainshed is intact or, above, because little of its rain came from
land in the first place.
more less
less more
up,
This is one dimension of water risk exposure, not
all. This is deforestation risk of land-based precipitationsheds.
For example, India reads as orange with many people and croplands and
little of its precipitationshed impacted by forest loss. However, much of the North
is severely water stressed.
dryness
off
dry season, cleared minus forested
wet season, cleared minus forested
all year, cleared minus forested
0
vapor pressure deficit over cleared cells minus
forested cells, in the same basin, the same months and the same
hundred metre height band
Cleared land sits a median of 52 metres below the
forest it is compared with, and air is drier downhill whatever grows
on it, so the comparison is made inside hundred metre height bands.
That removes four fifths of the unmatched difference. What is left is
small, and most of it is temperature rather than humidity: this
product takes humidity from a quarter degree reanalysis, so it
resolves the warming half of the signal and not the other.