The following are brief steps to assist you in ordering the ASTER Global DEM V2 data. Please refer to the tutorial at the top of the Reverb home page for more detailed instructions. You must be a registered user to create and submit orders for ASTER GDEM V2 products. Refer to the Reverb Create Account [...]
Crowdsourcing Social Media to Validate Land Use and Land Cover Maps
In 2011, the number of smartphone users in the US was closing in on 100 million, making up about 40% of the mobile phone market. Most late-model smartphones come embedded with megapixel-resolution cameras and GPS technology. Additionally, there are a plethora of mobile applications (apps) running location-based services (LBS) such as Twitter, Geoloqi and Foursquare. In fact, several [...]
Gazelle home range estimation from satellite telemetry data using R
During my internship at the Smithsonian Conservation Biology Institute, I created an R script that automates the delineation of fortnightly home ranges of the Mongolian gazelle from Argos satellite telemetry data. The home ranges were mapped on a fortnightly basis because the gazelles’ calving season takes place two weeks between the end of June and the [...]
Sandra Eckert Urban agriculture is a phenomenon that can be observed world-wide, particularly in cities of developing countries. It is contributing significantly to food security and food safety and has sustained livelihood of the urban and peri-urban low income dwellers in developing countries for many years. Population increase due to rural-urban migration and natural – [...]
Landsat Driven Coral Reef Investigations in Abu Dhabi and Eastern Qatar
Source: Landsat News & Features Back in 2006, the WWF helped prepare the first map of coral habitats in the southeastern Persian Gulf, highlighting some of the most extensive and biologically important coral reefs around the offshore islands and banks of the United Arab Emirate of Abu Dhabi and Qatar’s harbor. This large scale habitat [...]
Offer Rozenstein, and Arnon Karnieli Over the last few decades, dramatic land-use changes have occurred throughout Israel. Previously-grazed areas have been afforested, converted to irrigated or rain-fed agriculture, turned into natural reserves, often used as large military training sites, converted to rural and urban settlements, or left unused. Land-use maps provided by the Israeli government [...]
Planning for Operation IceBridge’s Antarctic Mission
After having been to northern Greenland (Thule Air Base) for the first time back in May (see Part I & Part II), there might be a chance that I’ll travel down to the southern tip of South America in November. The Antarctic part of NASAOperation IceBridge (OIB) is based at Punta Arenas, Chile, and involves science flights on the [...]
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