World Inventory of Barrier Islands Jumps by One Third
May 10, 2011
A new Landsat-based survey of worldwide barrier islands has discovered over 650 previously unrecognized islands. Length-wis,e the global stretch of barrier islands is now 37
A new Landsat-based survey of worldwide barrier islands has discovered over 650 previously unrecognized islands. Length-wis,e the global stretch of barrier islands is now 37
A team of researchers led by Landsat Science Team member Eileen Helmer has used Landsat time series data to map forest height on the island
• In an article titled “Modeling the human invader in the United States,” USGS scientists Thomas Stohlgren, Catherine Jarnevich, and Chandra Giri modeled humans as
Xueliang Cai and Landsat Science Team member, Prasad Thenkabail, have used satellite data, including Landsat, to calculate crop water productivity, i.e. how much water is
• A recently published Nature Geoscience article by Ruth DeFries et al. reveals that urban pressures (for food and resources) have replaced subsistence farmers as the leading
Source: South Dakota State University Prairie lakes that expand greatly in area during wet cycles are more likely to have elevated mercury levels soon after, South
Researchers from Columbia University and the University of Western Ontario have combined Landsat TM data with European Remote Sensing 2 radar data and lidar-derived elevation
• A recent NASA Technical Report from Stennis Space Center has used Landsat data to document land use changes in Alabama’s Mobile Bay watershed between
In a new study published in the Marine Ecology Progress Series, scientists have used Landsat 7 data to assess coral reef productivity and calcification in Florida’s northern reef
Source: Amber Jenkins, Jet Propulsion Laboratory Water is constantly being moved about our planet. The water, or hydrologic, cycle describes how water changes from liquid to
Contributor: Rashmi De Roy, World Wildlife Foundation In 2006, the WWF helped prepare the first map of coral habitats in the southeastern Persian Gulf, highlighting
In a study published in the Spanish Journal of Agricultural Research, Spanish researchers demonstrate that Landsat data can be used to locate vineyards and estimate
Contributor: Eileen Helmer In a study published today, carbon accumulation rates of tropical forests biomass regrowth in areas of abandoned agriculture have been measured entirely
This month in Remote Sensing of Environment, Potapov et al. report on their method of combining MODIS and Landsat imagery to estimate forest loss in
Contributor: Don Comis, USDA ARS Imagine adding a thermometer to Google™ Earth. That’s the vision of Agricultural Research Service (ARS) scientists Martha Anderson and Bill Kustas,
Researchers from the Canadian Forest Service’s Pacific Forestry Centre and the U.S. Geological Survey have published a study which evaluates the utility of histogram– and
Dr. David Roy of South Dakota State University, Geographic Information Science Center of Excellence (GIScCE), is the recipient of a $3.29M, 5-year grant funded by NASA’s Making Earth System Data Records for Use in Research Environments (MEaSUREs) program.
• To learn more about the tropical forests that are cleared when urban and residential development spreads, scientists assembled the most comprehensive time series of
Source: Sharon Durham, USDA ARS To find out how much acreage is being farmed using conservation tillage, Agricultural Research Service (ARS) scientists have gone up high–to
Source: Sara Uttech, Soil Science Society of America, 608-268-4948, suttechsoils.org Changes in soil carbon occur with changes in land management. Scientists at Oak Ridge National
The World Wildlife Federation released a report this week warning that accelerated deforestation rates in Sumatra are increasing CO2emissions and pushing native elephants to the
Science brief summary by: Laura E. P. Rocchio A group of European researchers have used Landsat data collected over a quarter of a century to
NASA and the U.S. Geological Survey (USGS) continue to enable better land-cover change research with the creation of the Global Land Survey 2005 (GLS2005). The
Every summer in New Zealand, recreational swimming in Okawa Bay is often prohibited because of toxic algal blooms. According to a Jan. 20 article in
Source: USGS News Release Contact: Jonathan H. Smith, 703 648-4516 USGS Release : December 27, 2006 A new USGS publication – Rate, Trends, Causes, and Consequences of Urban
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