View Full Document


Unformatted text preview:

REPORT TO NATIONAL COUNCIL FOR SOVIET AND EAST EUROPEAN RESEARC H TITLE AUTHOR CONTRACTOR THE IMPACT OF ALTERED RIVER FLOW O N THE ECOSYSTEM OF THE CASPIAN SEA Michael A Rozengur t Joel W Hedgpeth San Francisco State Universit y PRINCIPAL INVESTIGATOR Michael A Rozengur t COUNCIL CONTRACT NUMBER 900 0 1 DATE December 198 9 The work leading to this report was supported by funds provided by the National Council for Soviet and East European Research Th e analysis and interpretations contained in the report are those o f the author This offprint is a revised and expanded version of an Interim Repor t from the same contract distributed by the Council in July 1988 entitle d Soviet Water Policy and its Implications for the Ecological Economi c Destruction of the Caspian Sea Aquatic Science s The Impact of Altered River Flow o n the Ecosystem of the Caspian Se a The average surface area of the Caspian Sea 3 784 x 10 5 km constitutes 18 of the total area of all lakes of the world about five times the surface area of Lake Superior and abou t 2 7 and 10 times the surface area of the Adriatic Sea and Sea of Azov respectively It is roughly equal to the size of Grea t Britain Figure 2 The volume of the Caspian Sea 78 l x 10 km 3 accounts for 44 of the total volume of inland lake s of the world and about 241 and 3 6 times the volume of the Sea of Azov U S S R and the Baltic Sea respectively Over 130 rivers and numerous streams discharge an average of almos t 300 km 3 year into the Caspian Sea or 6 of the total natura l runoff in the U S S R from which about 85 originates i n the Volga Kama and Ural River basins and about 15 in th e southern river drainages of the Caucasus region the Terek Sulak Samur and Kura rivers and Iranian rivers and stream s along the southern part of the Caspian Sea Table l Despite the impressive morphometric characteristics of the Caspian Sea its area constitutes only 10 8 and 27 4 of th e Caspian basin and Volga watershed respectively Therefore any

Access the best Study Guides, Lecture Notes and Practice Exams

Loading Unlocking...

Join to view THE IMPACT OF ALTERED RIVER FLOW and access 3M+ class-specific study document.

We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view THE IMPACT OF ALTERED RIVER FLOW and access 3M+ class-specific study document.


By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?