Paper Information

Title: 

A REVIEW TO POLLUTION TREND IN ZAYANDEH ROUD RIVER

Type: PAPER
Author(s): JAFARI J.,ANVARIFAR H.,GHANDALI M.,ZAMANI N.,KAZEMI H.
 
 
 
Name of Seminar: HAMAYESH MELLI ENSAN, MOHITE ZIST VA TOSEE PAYDAR
Type of Seminar:  CONFERENCE
Sponsor:  DANESHGAHE AZADE ESLAMI VAHEDE HAMEDAN
Date:  2010Volume -
 
 
Abstract: 

ZAYANDEH ROUD RIVER IS ONE THE MOST CRITICAL ARTERIES IN CENTER OF IRAN (4). POLLUTION SOURCES OF RIVERS ARE DIVIDED INTO THE THREE PARTS OF INDUSTRIAL, ANTHROPOGENIC AND AGRICULTURAL SOURCES (1& 12). IMPORTANT INDUSTRIES LIKE ISFAHAN IRON MELT FACTORY, MOBARAKE STEEL FACTORY AND MANY OTHER SETTLED UNITS IN OUTSKIRTS OF THE RIVER AND ISFAHAN CITY, ARE CHIEFLY DEPENDENT TO THE RIVER DUE TO WATER SUPPLY (14& 15).
SEVERAL INDUSTRIAL SEWAGES ARE SPILLED INTO THE RIVER IN MANY PARTS THAT ARE POLLUTION SOURCES FROM THE POINT OF VIEW OF ORGANIC LOAD, TYPES OF HEAVY METALS, SYNTHETIC MATERIALS AND THE LIKE. FROM THE POINT OF VIEW OF ANTHROPOGENIC SOURCES, ISFAHAN CITY IS EQUIPPED TO SEWAGE COLLECTION& TREATMENT SYSTEMS BUT, A PART OF THE SEWAGE IS ENTERED THE RIVER UNTREATED AND ALSO SOME PARTS SEMI-TREATED THAT HAVE A LARGE SHARE IN ITS POLLUTION (12). BESIDES, CITIES, TOWNS AND SEVERAL VILLAGES ARE IN THE PATH OF THE RIVER THAT CAUSE POLLUTION DIRECTLY AND INDIRECTLY (15). ANOTHER POLLUTION SOURCE OF THE RIVER IS AGRICULTURAL DRAINAGES THAT ARE ABUNDANT WITH ORGANIC AND MINERAL MATERIALS SUCH AS CHEMICAL AND BESTIAL MANURES, PLANT RESIDUES, SOIL LEACHING MATERIALS, TOXIC MATERIALS SUCH AS PESTICIDES, HERBICIDES AND THE LIKE. THIS POLLUTION IS MAINLY BEGUN FROM THE WHEAT FARMLANDS AROUND ZARINSHAHR AND CONTINUES TO GAVKHOUNI SWAMP BUT, WHATEVER GOING NEARER TO THE DOWNSTREAM THE WIDTH AND THE INTENSITY OF THE AGRICULTURAL POLLUTION INCREASES (12). SUCH POLLUTIONS AND THE LIKE HAVE CAUSED DEGRADATION IN THE QUALITY OF THE RIVER WATER AND A DISORDER REGARDING TO THE EXISTING STANDARDS (12, 14 & 15).

 
Keyword(s): ZAYANDEH ROUD RIVER, POLLUTION TREND, ANTHROPOGENIC SOURCES, AGRICULTURAL POLLUTION
 
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