ESTIMATION OF IRRIGATED AREA, EVAPOTRANSPIRATION AND IRRIGATION MANAGEMENT USING REMOTE SENSING

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AKBARI MAHDI; DEHGHANI SANIJ H.; HEYDARI NADER

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Iranian Journal of Irrigation and Drainage Year:2008 | Volume:2 | Issue:1 Page(s): 43-54

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Title

ESTIMATION OF IRRIGATED AREA, EVAPOTRANSPIRATION AND IRRIGATION MANAGEMENT USING REMOTE SENSING

Author(s)

AKBARI MAHDI | DEHGHANI SANIJ H. | HEYDARI NADER | Issue Writer Certificate

Keywords

REMOTE SENSINGQ2

IRRIGATION MANAGEMENTQ3

WATER PRODUCTIVITYQ2

SUPPLY AND DEMANDQ2

ESFAHANQ3

Abstract

The IRRIGATION MANAGEMENT and WATER PRODUCTIVITY of four irrigation district in ESFAHAN was evaluated by using REMOTE SENSING data and various IRRIGATION MANAGEMENT indicators such as volume of water SUPPLY AND DEMAND, relative water supply, WATER PRODUCTIVITY and economic WATER PRODUCTIVITY. In order to obtain the required data, it was attempted to upscale the accuracy of NOAA satellite images by using Landsat images. From a time series of NOAA images during the one growing season, NDVI, SAVI and LAI indicators were established. Based on these indicators the actual irrigated area was evaluated for each irrigation systems in the Zayandeh Rud basin. The actual water use for each irrigation district was estimated by actual evapotranspiration from a time series of REMOTE SENSING data during the growing season. NOAA satellite images were analyzed using the SEBAL (Surface Energy Balance Algorithm for Land) algorithm to obtain actual and potential evapotranspiration and biomass production. The assessment of the irrigation systems was expressed based on Productivity of Water, defined as Kg biomass over m3 evaporated water. Results indicated the same trend for biomass production, NDVI and ETact levels in the all irrigation systems, where high biomass values correspond to high NDVI and ETact. The peaks of biomass production values happened in May when climatic conditions in terms of radiation are optimal and sufficient water is available from precipitation, soil moisture storage, and irrigation. The overall water balances for the systems were not closed and three of the four systems show a water deficit. The other water used in the three water deficit irrigation systems can be supplied from other water resources, which is not included in the water balance. The average WATER PRODUCTIVITY for all of the crops during the growing season was between 0.7-0.9 kg/m3.

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APA: Copy

AKBARI, MAHDI, DEHGHANI SANIJ, H., & HEYDARI, NADER. (2008). ESTIMATION OF IRRIGATED AREA, EVAPOTRANSPIRATION AND IRRIGATION MANAGEMENT USING REMOTE SENSING. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 2(1), 43-54. SID. https://sid.ir/paper/131627/en

Vancouver: Copy

AKBARI MAHDI, DEHGHANI SANIJ H., HEYDARI NADER. ESTIMATION OF IRRIGATED AREA, EVAPOTRANSPIRATION AND IRRIGATION MANAGEMENT USING REMOTE SENSING. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2008;2(1):43-54. Available from: https://sid.ir/paper/131627/en

IEEE: Copy

MAHDI AKBARI, H. DEHGHANI SANIJ, and NADER HEYDARI, “ESTIMATION OF IRRIGATED AREA, EVAPOTRANSPIRATION AND IRRIGATION MANAGEMENT USING REMOTE SENSING,” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 2, no. 1, pp. 43–54, 2008, [Online]. Available: https://sid.ir/paper/131627/en

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