|
Vietnam Flooding:
Satellite Imagery Flood Assessment
GDIN, Internation Product on Flooding in Vietnams' Mekong Delta.
19
September 2000
- The attached
graphic depicts areas of flooding and saturation in Vietnam's
Mekong River Delta as determined from the analysis of commercial
RADARSAT International satellite imagery acquired at 1107Z on
18 September. Areas saturated with (flood?)water, depicted as
light blue on the graphic, have been overlaid on a 1:1,000,000-scale
map to produce the graphic.
- Flooding
throughout the Mekong River Delta appears to be confined primarily
to low-lying flood plains, agricultural areas, and marshes that
are prone to seasonal riverine flooding. A review of the imagery
showed that no significant population centers -- including Ho
Chi Minh City and Tay Nihn -- were inundated with flood waters.
Smaller population centers and lines of communication in the delta
were impacted -- to some extent -- by flood waters.
- Commercial
RADARSAT imagery was chosen as the satellite has the capability
to image broad areas, such as the Mekong River Delta, and to discern
flooded areas.
- According
to Hanoi press reports, flood waters in the Mekong River Delta
have reached their highest levels in the last 40 years. Over 100,000
homes have been destroyed and over 500,000 Vietnamese are at risk
from the flooding. Flooding along the Mekong River has been on-going
since mid-July.
- There are
no restrictions on the dissemination or use of the attached imagery-derived
product.
click
here for larger jpg image (size 168K)
|
