Basin-wide Trapping of Suspended Sediment Flux for the World Water Development Report II
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资源简介：
A global geography of basinwide trapping of suspended sediment flux by
the large reservoirs was analyzed (Vorosmarty et al. 2003). A total
of 236 regulated basins with 633 large reservoirs (> 0.5 km3 maximum
storage capacity), which collectively represent about 70% of
registered impoundment storage volume was used to estimate basinwide
relative loss of suspended sediment destined for the world's
oceans. For the purposes of display, the basins include both
discharging and non-discharging portions of the land mass. A total of
approximately 25-30% of pre-disturbance sediment flux is sequestered
by modern impoundments, most built since 1950 (Vorosmarty et
al. 2003, Syvitski et al. 2005).
Downloadable file:
tebas.asc = basin-wide relatve loss of suspended sediment (in %)
destined for the world's oceans. Primary source: Vorosmarty et
al. (2003).
提供机构：
SCIOPS
