ASSESSMENT OF SPATIAL LOCATION OF WATERCOURSES IN TEHRAN

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GHAHROUDI TALI M.

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Journal: JOURNAL OF PHYSICAL GEOGRAPHY Year:2011 | Volume:4 | Issue:13 Page(s): 59-70

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Information Journal Paper

Title

ASSESSMENT OF SPATIAL LOCATION OF WATERCOURSES IN TEHRAN

Author(s)

GHAHROUDI TALI M. | Issue Writer Certificate

Keywords

TEHRANQ2

FLOODQ2

WATERCOURSE NETWORKQ2

NATURAL DRAINAGEQ2

Abstract

Phenomenon of urban FLOODing was brought by the physical expansion of cities in the world that makes severe injuries on the bodies of large cities in the developed developing countries.Bad memories of FLOODs in TEHRAN in 1366 in Glabdrh and during1373- 74 in Kan basin express TEHRAN vulnerability against FLOODs. TEHRAN is located on the southern in the Alborz and Basins of Jajrud, Ken and Karaj and several small basins.Inharmonious development in TEHRAN, lack of privacy of natural hydrographic network, land leveling and construction, disorder of Drainage system due to Occupation of watercourse, Implementation of some projects such as the West watercourse and drained tunnels in TEHRAN central and Construction of several highways along the East - West which they have broken the major drainage have been caused FLOODs network in TEHRAN increasingly Being faced with unpredictable urban FLOODs. This research has been carried out pattern analysis of watercourse as the most important factor in spatial distribution of FLOODs. Data used in this study have been included 10 meters elevation data, ETM+ images, landuse data, WATERCOURSE NETWORK and field research. Methodology in this study was compared functions. The results showed that Natural and artificial channels in the East and over 130 kilometers northeast of TEHRAN, including, Velenjak, Darband, Maghsoudbaik, Sohanak, Kashanak, Mansarieh, Darabad, Sorkhehesar, Mobarak Abad, Ghasre Firozeh, Khashayar, TEHRAN Pars and some small basins, over 50 percent of watercourses are in conformity with the NATURAL DRAINAGE of TEHRAN. Natural and artificial channels in the West and northwest TEHRAN over 140 km including Darakeh, Farahzad, Hesarak, Kan, Cheetgar and the West channels over 65 percent are the lack of harmony with the NATURAL DRAINAGE of TEHRAN. Network of central TEHRAN, including tunnels of Navab, Khayyam, shahrdari and 17 Shahrivar which is covered, but they are not able to gather runoff. Therefore, organizing the WATERCOURSE NETWORK according to the metropolitan TEHRAN environmental is Iran's strategy to control FLOODing in the capital.

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APA: Copy

GHAHROUDI TALI, M.. (2011). ASSESSMENT OF SPATIAL LOCATION OF WATERCOURSES IN TEHRAN. JOURNAL OF PHYSICAL GEOGRAPHY, 4(13), 59-70. SID. https://sid.ir/paper/184973/en

Vancouver: Copy

GHAHROUDI TALI M.. ASSESSMENT OF SPATIAL LOCATION OF WATERCOURSES IN TEHRAN. JOURNAL OF PHYSICAL GEOGRAPHY[Internet]. 2011;4(13):59-70. Available from: https://sid.ir/paper/184973/en

IEEE: Copy

M. GHAHROUDI TALI, “ASSESSMENT OF SPATIAL LOCATION OF WATERCOURSES IN TEHRAN,” JOURNAL OF PHYSICAL GEOGRAPHY, vol. 4, no. 13, pp. 59–70, 2011, [Online]. Available: https://sid.ir/paper/184973/en

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