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LATEST IMAGE FROM NASA (EO)

Lut desert

LUT DESERT Roughly 480 by 320 kilometers (300 by 200 miles), Dasht-e Lut is a large salt desert in southeastern Iran. The desert fills a low basin that stretches southward from the Khorasan province into the Kerman province. Although the entire salt desert has just one name, it has more than one appearance. These natural-color images, captured by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA�s Terra satellite show landscapes so different, one can scarcely imagine they come from the same part of the world, let alone the same desert basin More...


WHISKBROOM and PUSHBROOM SENSORS

A WHISKBROOM SENSOR Sensors aboard the Landsat satellites were built in a �whisk broom� (across track) configuration. In a whisk broom sensor, a mirror scans across the satellite�s path, reflecting light into a single detector which collects data one pixel at a time. The moving parts make this type of sensor expensive and more prone to wearing out.

A  PUSHBROOM SENSOR A �pushbroom� (along track) sensor like ALI consists of a line of sensors arranged perpendicular to the flight direction of the spacecraft. Different areas of the surface are imaged as the spacecraft flies forward. Pushbroom sensors are generally lighter and less expensive than their whisk broom counterparts, and can gather more light because they look at a particular area for a longer time, like a long exposure on a camera. One drawback of pushbroom sensors is the varying sensitivity of the individual detectors.


Curriculum Vitae (CV)

My photo

(A) Contact

Dr. Reza Jafari

Isfahan University of Technology

The University of Adelaide

Department of Range and Watershed Management

Faculty of Natural Resources

Isfahan University of Technology

E-mail:


(B) Research Interests

- Application of remote sensing and spatial data to environmental, agricultural and urban management

- Hyperspectral remote sensing for discriminating vegetation and landscape composition

- Land use/cover mapping and monitoring using remote Sensing and Geographic Information Systems (GIS)

- Remote Sensing Applications in Arid and Semi-arid Environments

- Mapping, Assessment and Monitoring desertification using FAO-UNEP and ICD techniques

- Arid Land Geomorphology


(C) Qualifications:

1995: Natural Sciences Diploma,Tehran, Iran

1996-2000: B. Sc,Rangeland and Watershed Management, Tehran University, Tehran, Iran

2000-2002: M.Sc, Combating Desertification, Tehran University,Tehran, Iran

2004-2007: Ph.D, Remote Sensing, "Arid Land Condition Assessment and Monitoring Using Multispectral and Hyperspectral Imagery", The University of Adelaide, Adelaide, South Australia, Australia


(D) Awards:

- The first rank in M.Sc Entrance Examination, 2000

- The first rank in M.Sc Course Examination, 2000-2002

- The first rank in Ph.D Entrance Examination, 2002


(E) Publication:

- Jafari, R., Lewis, M.M. and Ostendorf, B., 2008. An image-based diversity index for assessing land degradation in an arid environment in South Australia. Journal of Arid Environments 72(7), 1282-1293.

- Jafari, R., Lewis, M.M. and Ostendorf, B., 2007. Evaluation of vegetation indices for assessing vegetation cover in southern arid lands in South Australia. The Rangeland Journal 29(1), 39-49.

- Jafari, R., 2008. Analysis of arid land degradation using satellite remote sensing data, Proceedings of 2nd Ragional conference in Agriculture and Natural Resources, Mar. 3-4 2008, West of Iran, Kurdistan University, pp. 312

- Jafari, R., 2008. Use of remote sensing for differentiating climate and human impacts on vegetation cover, Proceedings of 1st Internatioanl Conference on Climate Change and dendrochronology in Caspian Ecosystems,14-15 May 2008, North of Iran, Sari, Mazandaran University, pp. ...-...

- Jafari, R., Lewis, M.M. and Ostendorf, B., 2006. Analysis of vegetation indices for assessing and monitoring vegetation cover is an arid environment in South Australia, Proceedings of 14th Biennial Australian Rangeland Society Conference. Australian Rangeland Society, Renmark, South Australia, pp. 229-232

- Jafari, R., Lewis, M.M. and Ostendorf, B., 2006. An image-based diversity index for assessing land degradation in an arid environment in South Australia, Proceedings of the 13th Australasian Remote Sensing and Photogrammetry Conference. The Remote Sensing and Photogrammetry Association of Australia Ltd, November 24-28, Canberra, Australia, Paper code: 310

- Jafari, R., Lewis, M.M. and Ostendorf, B., 2006. Use of EO-1 Hyperion Hyperspectral imagery for discriminating arid vegetation, Proceedings of the 13th Australasian Remote Sensing and Photogrammetry Conference. The Remote Sensing and Photogrammetry Association of Australia Ltd, November 24-28, Canberra, Australia, Paper code: 290

- Determination of wind erosion intensity using desertification model in Kashan area, Iran, Iranian Journal of Natural Resources

- Determination of water resources degradation intensity using desertification model in Kashan area, Iran, Iranian Journal of Environment Studies

- Assessment and Mapping of desertification based on F.A.O-UNEP and ICD techniques in Kashan,Iran (Wind Erosion - Water Resources Degradation), Presented as a Poster in Desert Research Foundation of Namibia , International Conference on Combating Desertification , Cape Town (8-10 APril 2002)

- Assessment of rangeland yield in Taleghan region of Tehran Province, B.Sc. project, Faculty of Natural Resource, Uriversity of Tehran, August 1999

- Assessment and Mapping of Desertification based on F.A.O - UNEP and ICD techniques in Kashan region(Wind Erosion - Water Resources Degradation) , M.Sc.Thesis, Faculty of Natural Resources,University of Tehran, September 2001

- Revival and development of Iran talent lands , case study Kashan, The final report of the mentioned project, Iran Desert Research Center, University of Tehran and Ministry of agriculture,1999-2001


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 This page last updated 15 March 2008                               All rights reserved