GIS-BASED SNOW MAPPING IN CENTRAL ALBORZ MOUNTAIN CHAIN USING MODIS AND AVHRR DATA

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DINI GH.R.; ZIAEIAN FIROUZABADI PARVIZ; ALI MOHAMMADI SARAB A.; DADASHI KHANGHAH S.

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Journal: IRAN-WATER RESOURCES RESEARCH Year:2008 | Volume:3 | Issue:3 (9) Page(s): 1-8

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Information Journal Paper

Title

GIS-BASED SNOW MAPPING IN CENTRAL ALBORZ MOUNTAIN CHAIN USING MODIS AND AVHRR DATA

Author(s)

DINI GH.R. | ZIAEIAN FIROUZABADI PARVIZ | ALI MOHAMMADI SARAB A. | DADASHI KHANGHAH S. | Issue Writer Certificate

Keywords

SNOW MAPPING ALGORITHMQ4

BRIGHTNESS-TEMPERATUREQ4

ALBEDOQ4

SNOW LINEQ4

NDSIQ4

MODISQ4

AVHRRQ4

Abstract

Iran is a drought region which is located in middle meridian of earth. Especially in mountains, precipitations fall as snowfall and provide water supply for warm season.Therefore, it is so important for hydrologists and water resource engineers to determinate boundary of snow cover to be able to estimate water supply. In this study, snow cover area in Central Alborz mountains were deteeted using NOM-A VHRR and TERRA-MODIS data using threshold determination in near infrared band. Discrimination between snow and clouds is one of the important problems in snow mapping using satellite data.Clouds are very diverse and have high reflection in visible and NIR band but snow shows low reflectance in this band.In MODIS SNOW MAPPING ALGORITHM, first using NDSI, snow pack detected but for discrimination between snow and other wet lands we utilized threshold in 1, 2, 4 and 6 bands. In NOAA-AVHRR algorithm were also used threshold for ALBEDO of band 1 and 3 and brightness temperature 3 and 4.Snow areas in AVHRR is 5303 square kilometers in March 27th 2004 and full snow, fractal snow and clouds areas in MODIS data were 994, 2570 and 2505 square kilometers in March 25th 2003, respectively.Finally, using interrelation between hydro-climatology parameters 2.9oC were calculated as minimum temperature of snowfall and height of corresponding 0o C were calculated for snow permanence height in Central Alborz.

Cites

ESTIMATION OF SNOW COVER AREA AND LAND SURFACE TEMPERATURE USING MODIS SATELLITE (A CASE STUDY OF GOLESTAN WATERSHED)

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APA: Copy

DINI, GH.R., ZIAEIAN FIROUZABADI, PARVIZ, ALI MOHAMMADI SARAB, A., & DADASHI KHANGHAH, S.. (2008). GIS-BASED SNOW MAPPING IN CENTRAL ALBORZ MOUNTAIN CHAIN USING MODIS AND AVHRR DATA. IRAN-WATER RESOURCES RESEARCH, 3(3 (9)), 1-8. SID. https://sid.ir/paper/99964/en

Vancouver: Copy

DINI GH.R., ZIAEIAN FIROUZABADI PARVIZ, ALI MOHAMMADI SARAB A., DADASHI KHANGHAH S.. GIS-BASED SNOW MAPPING IN CENTRAL ALBORZ MOUNTAIN CHAIN USING MODIS AND AVHRR DATA. IRAN-WATER RESOURCES RESEARCH[Internet]. 2008;3(3 (9)):1-8. Available from: https://sid.ir/paper/99964/en

IEEE: Copy

GH.R. DINI, PARVIZ ZIAEIAN FIROUZABADI, A. ALI MOHAMMADI SARAB, and S. DADASHI KHANGHAH, “GIS-BASED SNOW MAPPING IN CENTRAL ALBORZ MOUNTAIN CHAIN USING MODIS AND AVHRR DATA,” IRAN-WATER RESOURCES RESEARCH, vol. 3, no. 3 (9), pp. 1–8, 2008, [Online]. Available: https://sid.ir/paper/99964/en

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