Estimating the evaporation over nasser lake in the upper Egypt from METEOSAT observations

Details Estimating the evaporation over nasser lake in the upper Egypt from METEOSAT observations Estimating the evaporation over nasser lake in the upper Egypt from METEOSAT observations

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997adspr..19..515s&link_type=abstract

Advances in Space Research, Volume 19, Issue 3, p. 515-518.

Physics

Scientific paper

The water loss from Nasser Lake in the South of Egypt is one of the national problems, because the lake is the water bank of Egypt and the evaporated water range between 10 to 16 billion cubic meter every year, which represent 20 to 30% of the Egyptian income from Nile water. Correlation analysis between tile cloudiness observed by Meteosat in the infra-red band (10.25 - 12.5 μm) and ground station measurements for atmospheric infra-red, temperature and water vapour content has performed at the northern head of the lake near Aswan High Dam. Models and empirical relations for estimating the evaporation over the lake are deduced and tested. Using Meteosat infra-red window (10.5 - 12.5 μm) observations and the empirical models, we can estimate the evaporated water every day. The yearly water loss can be determined from the integration of the daily values.

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