Category Archives: GIS / remote sensing

Identifying desertification zones using optical remote sensing in Colombia (UN-SPIDER)

Read at : http://www.un-spider.org/about-us/news/en/5897/2012-07-26t160200/regional-support-offices-igac-conducts-desertification Regional Support Offices: IGAC conducts desertification analyses The Colombian Agustin Codazzi Geographic Institute – IGAC and their Center of Research and Development of Geographic Information – CIAF, recently did a series of projects based on risk … Continue reading

Posted in Desertification, GIS / remote sensing

Earth’s Changing Face (Science Daily)

Read at : http://www.sciencedaily.com/releases/2012/04/120420092020.htm NASA Image Gallery Highlights Earth’s Changing Face ScienceDaily (Apr. 20, 2012) — In celebration of this year’s Earth Day on April 22, NASA’s Webby Award-winning Global Climate Change website, http://climate.nasa.gov , has unveiled a new version … Continue reading

Posted in Climate / climate change, Desertification, GIS / remote sensing

Aeolian Desertification Trends (Google / Career Inst. China)

Read at : Google Alert – desertification http://english.careeri.cas.cn/rh/rp/201204/t20120405_83532.html Remote Sensing Analysis on Aeolian Desertification Trends in Northern China during 1975-2010 The data of aeolian desertification lands status in different periods have been extracted through visual interpretation method based on Landsat … Continue reading

Posted in Desertification, GIS / remote sensing

Desertification : shrinking Lake Chad (Google / Earth Snapshot)

Read at : Google Alert – desertification http://www.eosnap.com/lakes/desertification-by-shrinking-lake-chad/ Desertification by Shrinking Lake Chad Lake Chad is located in the Sahel, a vast savanna bordered by the rain forests of the west coast of Africa on one side and the Sahara … Continue reading

Posted in Desertification, GIS / remote sensing, satellites

To generate high-resolution groundwater potential maps by remote-sensing (Google / Landsat)

Read at : Google Alert – images of the Africa Drought http://landsat.gsfc.nasa.gov/news/news-archive/soc_0032.html Combating drought in the Horn of Africa Source: UNESCO Natural Sciences Sector UNESCO began mapping groundwater this January in the drought-stricken Horn of Africa, in order to bring … Continue reading

Posted in aquifers, drought, GIS / remote sensing

Sahara’s End (Google / RedOrbit)

Read at : Google Alert – desertification http://www.redorbit.com/news/space/1112463956/earth-from-space-saharas-end/ Earth From Space: Sahara’s End Image Caption: This Envisat image, acquired on 5 December 2011 by the MERIS instrument, shows part of central Morocco from the Atlantic Ocean to the west, over … Continue reading

Posted in desert/desert gardening, GIS / remote sensing

GIS and Desertification in the Arab World (Google / IDOSI)

Read at : Google Alert – desertification http://www.idosi.org/mejsr/mejsr8(6)11/7.pdf Estimating Desertification in the Arab World Using GIS Approach Ali Mansour Ali Saad and Noresah Mohd Shariff Geography Programme, School of Distance Education, Universiti Sains Malaysia, 11800 Minden, Malaysia Middle-East Journal of … Continue reading

Posted in books/publications, Desertification, GIS / remote sensing

Mapping : where is water available in dry areas ? (ICARDA)

Read at : http://icardablog.wordpress.com/2012/01/16/new-mapping-methods/ New mapping methods Wise rainwater harvesting saves crops from failure Harvest water, not just crops. New mapping methods help planners see where water is available  dry areas. The majority of the world’s farmers live in low-rainfall areas. … Continue reading

Posted in GIS / remote sensing, water conservation / harvesting

Mapping desertification in the western Sudan (Google / Mendeley)

Read at : Google Alert – desertification http://www.mendeley.com/research/assessment-mapping-desertification-western-sudan-using-remote-sensing-techniques-gis/ Assessment and Mapping of Desertification in Western Sudan Using Remote Sensing Techniques and GIS by Mohamed Mirghani Ali, Abdel Aziz M S Bayoumi Advances in Space Research (2007) Volume: 39, Issue: 1, … Continue reading

Posted in Desertification, GIS / remote sensing

Rocky Desertification Control (Google / Chin. Acad. Sc.)

Read at : Google Alert – desertification http://english.cas.cn/ST/RE/re_project/201112/t20111227_80447.shtml Implementation of Rocky Desertification Control Improves Ecosystem Service Values Ecosystem service values have been improved as a result of the implementation of rocky desertification control policies in karst areas of northwest Guangxi. Ecosystem … Continue reading

Posted in Desertification, GIS / remote sensing