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News articles on Satellite Imagery
Mongabay.com news articles on Satellite Imagery in blog format. Updated regularly.
(11/27/2013) Google Earth has once again been used by researchers for scientific discovery.
Satellites reveal browning mountain forests
(11/22/2013) In a dramatic response to global warming, tropical forests in the high elevation areas of five continents have been "browning" since the 1990s. They have been steadily losing foliage, and showing less photosynthetic activity. Scientists analyzed the forest cover by using satellites to measure sunlight bouncing off the surface of the earth, then determining the different surface types via reflection patterns.
Malaysia has the world's highest deforestation rate, reveals Google forest map
(11/15/2013) Malaysia had the world's highest rate of forest loss between 2000 and 2012, according to a new global forest map developed in partnership with Google. Malaysia's total forest loss during the period amounted to 14.4 percent of its year 2000 forest cover. The loss translates to 47,278 square kilometers (18,244 square miles), an area larger than the country of Denmark.
Deforestation in the Brazilian Amazon jumps 28% in 2013
(11/14/2013) Deforestation in the Brazilian Amazon jumped 28% in 2013 sparking concerns that recent progress in reducing forest loss in the world's largest rainforest may be in danger of reversing. The preliminary data, released Thursday by the Brazilian government, shows that 5,843 square kilometers (2,256 sq miles) of rainforest was cleared across the 'Legal Amazon' between August 1, 2012 and July 31, 2013.
Deforestation accelerates in Indonesia, finds Google forest map
(11/14/2013) Forest loss in Indonesia has sharply risen over the past 12 years, reports a new study published in the journal Science. The study, led by Matt Hansen of University of Maryland, finds that Indonesia lost 15.8 million hectares between 2000 and 2012, ranking it fifth behind Russia, Brazil, the United States, and Canada in terms of forest loss. Some 7 million hectares of forest regrew during the period.
Zero net deforestation is the wrong target, warn experts
(11/14/2013) Environmental initiatives that target zero net deforestation may miss their mark when it comes to slowing climate change and protecting biodiversity, warns a commentary published in this week's issue of the journal Science. While zero net deforestation may seem like a worthy target in efforts to curb forest loss, Sandra Brown and Daniel Zarin argue that the goal is at best, ambiguous, and at worst, may lead to perverse outcomes for the world's forests.
Powered by Google, high resolution forest map reveals massive deforestation worldwide
(11/14/2013) Researchers today released a long-awaited tool that reveals the extent of forest cover loss and gain on a global scale. Powered by Google's massive computing cloud, the interactive forest map establishes a new baseline for measuring deforestation and forest recovery across all of the world's countries, biomes, and forest types. The map has far-reaching implications for efforts to slow deforestation, which accounts for roughly ten percent of greenhouse gas emissions produced by human activities, according to the authors of the paper that describes the tool and details its first findings.
Bolivia, Madagascar, China see jump in forest loss
(11/01/2013) Loss of forest cover increased sharply in Bolivia, Madagascar, and Ecuador during the third quarter of 2013, according to an update from NASA scientists.
50,000 km of roads built across Brazilian Amazon in 3 years
(10/29/2013) Roads are rapidly expanding across the Brazilian Amazon opening up once remote rainforests to loggers, miners, ranchers, farmers, and land speculators, finds a new study published in the journal Regional Environmental Change.
Gold mining in the Amazon rainforest surges 400%
(10/28/2013) The extent of gold mining in the Peruvian Amazon has surged 400 percent since 1999 due to rocketing gold prices, wreaking havoc on forests and devastating local rivers, finds a new study published in the Proceedings of the National Academy of Sciences (PNAS). The assessment, led by Greg Asner of the Carnegie Institution for Science, is based on a combination of satellite imagery, on-the-ground field surveys, and an advanced airplane-based sensor that can accurately measure the rainforest canopy and sub-canopy vegetation at a resolution of 1.1 meters (42 inches).
June fires concentrated in peatlands, burned 1,500 sq km in Sumatra
(10/16/2013) Fires that sent a choking haze across Singapore and Malaysia in June burned some 1,500 square kilometers in Riau Province and were predominantly concentrated on peatlands, reports the World Resources Institute (WRI).
Brazil's satellite data suggests rise in Amazon deforestation over past year
(09/12/2013) Deforestation in the Brazilian Amazon appears to have risen significantly over the past year, according to data released by the country's space agency, INPE. Data aggregated from INPE's monthly deforestation alert system shows a 34 percent rise for the 12 months ended July 31, 2013 relative to the year-earlier period.
Satellite reveals 'hidden' 1000-ha oil palm plantation in Amazon rainforest in Peru
(09/06/2013) A regional forestry official in Peru has expressed surprise over the sudden appearance of a 1000-hectare oil palm plantation in the heart of the Amazon rainforest.
Indonesia should convert logging concessions to protected areas to stop deforestation for plantations, argues study
(09/05/2013) Reclassifying logging concessions as permanent forest estates and thereby barring them from conversion to industrial plantations would be an effective strategy for helping conserve Indonesia's fast-dwindling forests, argues a new study published in PLoS ONE. The study analyzed forest loss in areas zoned for different uses in Indonesian Borneo. It found that deforestation rates in timber concessions and protected areas were 'not significantly different' provided logging concessions were not reclassified as industrial plantation concessions.
Deforestation alerts for Madagascar, DRC, Bolivia during Q2-2013
(08/16/2013) Loss of forest, woodland, and savanna increased sharply in Madagascar, the Democratic Republic of the Congo (DRC), and Bolivia during the second quarter of 2013, reports a new assessment by NASA scientists.
Near real-time deforestation monitoring system to go global
(07/25/2013) A near real-time deforestation monitoring system will soon cover all the world's tropical forests, report the researchers behind the initiative.
Researchers produce the most accurate carbon map for an entire country
(07/22/2013) Researchers working in Panama have produced the most accurate carbon map for an entire country. Using satellite imagery and extremely high-resolution Light Detection and Ranging (LiDAR) data from airplane-based sensors, a team led by Greg Asner produced a detailed carbon map across the Central American country's forests. The map reveals variations in forest carbon density resulting from elevation, slope, climate, vegetation type, and canopy coverage.
Deforestation rate falls in Congo Basin countries
(07/22/2013) Deforestation has fallen in Congo Basin countries over the past decade despite a sharp increase in the rate of forest clearing in the Democratic Republic of the Congo, according to a new study published in the Philosophical Transactions of the Royal Society B as part of a set of 18 papers on the region's tropical forests. The special issue, which was put together by Oxford University's Yadvinder Malhi, covers a range of issues relating to the rainforests of the Congo Basin, including deforestation, the impacts of global change, the history and key characteristics of the region's forests, and resource extraction, among others.
Deforestation rate doubles in the Amazon rainforest, says group
(07/19/2013) Deforestation in the Brazilian Amazon is up 103 percent over this time last year, reports the latest assessment by Imazon, a Brazil-based NGO.
80% of rainforests in Malaysian Borneo logged
(07/17/2013) 80 percent of the rainforests in Malaysian Borneo have been heavily impacted by logging, finds a comprehensive study that offers the first assessment of the spread of industrial logging and logging roads across areas that were considered some of Earth's wildest lands less than 30 years ago. The research, conducted by a team of scientists from the University of Tasmania, University of Papua New Guinea, and the Carnegie Institution for Science, is based on analysis of satellite data using Carnegie Landsat Analysis System-lite (CLASlite), a freely available platform for measuring deforestation and forest degradation. It estimated the state of the region's forests as of 2009.
Haze fires concentrated in deforested peatlands, not forest areas, confirms satellite analysis
(07/10/2013) A new mapping tool based on NASA satellite data confirms that the majority of fires that drove the recent haze over Sumatra and Malaysia were concentrated in deforested peatlands and scrub, rather than natural forest areas.
Cause of haze? Up to 87% of recent deforestation in fire zone due to palm oil, timber
(06/26/2013) New analysis of land cover in Riau Province reveals the outsized role industrial plantations play in driving deforestation and associated haze. The analysis, conducted by Eyes on the Forest, finds that up to 56% of deforestation in Riau between 2007 and 2012 can be linked to timber plantations for pulp and paper production. The figure for oil palm plantations may be as high as 31%.
Deforestation rates for Amazon countries outside Brazil
(06/26/2013) Deforestation has sharply increased in Amazon countries outside of Brazil, finds a new analysis based on satellite data. Using data from Terra-i, O-Eco's InfoAmazonia team has developed updated forest cover maps for Bolivia, Colombia, Ecuador, Guyana, French Guyana, Peru, Suriname and Venezuela. The results reveal an increasing trend in forest clearing since 2004.
Wind, not big increase in forest fires, driving haze in Singapore
(06/26/2013) Wind patterns, rather than a sharp increase in fires, is to blame for the record setting air pollution affecting Singapore and Malaysia, finds new analysis by the World Resources Institute (WRI).
Singapore chokes on haze from deforestation fires
(06/17/2013) Singapore and Malaysian officials have asked Indonesia to take 'urgent measures' to address forest fires in Sumatra that are sending choking haze northward, reports AFP.
Peru opens deforestation data to the public, shows drop in Amazon forest clearing
(06/13/2013) Peru has made its comprehensive deforestation data available to the public.
NASA: Deforestation jumps in Malaysia
(06/10/2013) Deforestation jumped during the first three months of 2013 in Malaysia, Nepal and Mexico, according to a forest tracking tool developed by a team of NASA researchers.
Amazon fire risk on the rise, says NASA
(06/09/2013) The Amazon rainforest is facing a higher risk of fires this dry season, warns a fire prediction system developed by researchers using NASA and NOAA data.
NASA: 3% of Amazon rainforest burned between 1999-2010
(06/08/2013) 33,000 square miles (85,500 square kilometers) or 2.8 percent of the Amazon rainforest burned between 1999-2010 finds new NASA-led research that measured the extent of fires that smolder under the forest canopy.
Data from NASA's Landsat 8 now freely available
(06/02/2013) Data from NAA's Landsat 8 is now freely available, enabling researchers and the general public to access images captured by the satellite within twelve hours of reception. Landsat 8 launched this February and has been capturing images since April. The satellite orbits Earth every 99 minutes and captures images of every point on the planet every 16 days, beaming 400 high resolution images to ground stations every 24 hours.
Deforestation in the Brazilian Amazon pacing 88% higher than last year's rate
(05/18/2013) Satellite analysis by a Brazil-based NGO indicates that deforestation in the Brazilian Amazon continues to pace well ahead of last year, when the government passed a weakened version of its law governing use of forest lands.
Researchers develop highest-resolution global forest cover dataset to date
(05/17/2013) Researchers at the University of Maryland have developed a 30-meter resolution forest cover data set that could boost efforts to track deforestation and forest degradation.
Google Time-lapse offers view of Earth over 3 decades
(05/10/2013) Google has released a series of time-lapse images showing global change between 1984 and 2012. The images are sourced from NASA's Landsat mission, a series of Earth-observation satellites that have orbited the planet since 1972, providing scientists, policymakers, and the general public with a wealth of data and imagery used for a wide range of applications.
Brazil's satellite monitoring reduced Amazon deforestation by 60,000 sq km in 5 years
(05/08/2013) Brazil's advanced satellite monitoring system, coupled with increased law enforcement, was responsible for nearly 60 percent of the 101,000 square kilometer-drop in deforestation observed between 2007 and 2011, argues a new study published an international think tank.
Entire planet will soon have rapid deforestation detection system
(04/09/2013) World Resources Institute (WRI) today previewed a long-awaited tool that could revolutionize global forest monitoring, reports the UN Forum on Forests, which is meeting this week in Istanbul, Turkey.
Conservation gets boost from new Landsat satellite
(04/03/2013) Efforts to monitor the world's forests and other ecosystems got a big boost in February with the launch of Landsat 8, NASA's newest earth observation satellite, which augments the crippled Landsat 7 currently orbiting Earth (technically Landsat 8 is still named the Landsat Data Continuity Mission (LDCM) and will remain so until May when the USGS turns control of the satellite over to NASA). Landsat 8/LDCM is the most advanced Earth observation satellite to date. It is the eighth Landsat since the initial launch in 1972.
Brazilian govt confirms rise in deforestation
(03/28/2013) Brazil's National Space Research Agency INPE today confirmed an apparent rise in Amazon forest clearing for the four-month period ending February 28, 2013.
Conflict zones have higher deforestation rates in the Amazon
(03/28/2013) Areas in the Amazon where there is conflict over land tenure have higher deforestation rates than places where land rights are secure, finds a new study that assesses the effectiveness of indicators used to gauge the success of protected areas in Brazil.
APP conservation policy came after it pulped most of its forests
(03/19/2013) Asia Pulp & Paper's widely heralded forest conservation policy came after the forestry giant had already cleared nearly all of the legally protected forests within its concessions in Sumatra, alleges a new report published by Greenomics, an Indonesian environmental group.
Deforestation in key Madagascar park accelerated after 2009 coup d'etat, finds satellite analysis
(03/18/2013) Deforestation and forest disturbance in Madagascar's largest national park increased significantly less than a year after a coup displaced the country's democratically-elected president in 2009, finds a new study that analyzed forest cover in Masoala National Park.
A promising initiative to address deforestation in Brazil at the local level
(03/05/2013) The history of the Brazilian Amazon has long been marked by deforestation and degradation. Until recently the situation has been considered out of control. Then, in 2004, the Brazilian government launched an ambitious program to combat deforestation. Public pressure—both national and international—was one of the reasons that motivated the government to act. Another reason was that in 2004, deforestation contributed to more than 55 percent of Brazil’s total greenhouse gas emissions, making Brazil the fourth-largest greenhouse gas emitter in the world.
Is APP deal a sign of a changing forestry sector?
(02/15/2013) Asia Pulp & Paper (APP), one of the world’s largest paper companies, announced earlier this month that it will no longer cut down natural forests in Indonesia and will demand similar commitments from its suppliers. The announcement was received with guarded optimism by Greenpeace, Rainforest Action Network, World Wildlife Fund, and other NGOs who have waged a persistent campaign to change APP’s forest policies.
Rate of tree die-off in Amazon higher than conventionally believed
(02/01/2013) The rate of tree mortality in the Amazon rainforest due to storm damage and drought is 9-17 percent higher than conventionally believed, reports a study published in the Proceedings of the National Academy of Sciences (PNAS).
NASA data registers strong deforestation signals in Sumatra, Borneo, Brazil, Gabon
(01/29/2013) NASA satellites picked up signals of extensive potential deforestation in Sumatra, Borneo, Central Africa, the Brazilian and Peruvian Amazon, the Chocó in Colombia and Ecuador, and the Chaco region of Paraguay between October 1 and December 31, 2012, according to the latest update on Mongabay.com's Global Forest Disturbance Alert System (GloF-DAS).
Amazon deforestation rate pacing ahead of last year
(01/18/2013) Data released by Imazon, a Brazil-based NGO, shows that deforestation in the Brazilian Amazon continues to pace well ahead of last year's record low rate.
Fires burn over a third more land than estimated
(01/02/2013) Scientists currently detect fires around the world using moderate resolution satellite imagery, however a new study in the Journal of Geophysical Research finds that this tool misses many of the world's smaller fires, which add up.
Amazon rainforest failing to recover after droughts
(12/24/2012) The impact of a major drought in the Amazon rainforest in 2005 persisted far longer than previously believed, raising questions about the world's largest tropical forest to cope with the expected impacts of climate change, reports a new study published in the journal Proceedings of the National Academy of Sciences.
Brazil's deforestation at record low from 2011-2012
(11/27/2012) Deforestation in the Brazilian Amazon fell to the lowest rate since annual record-keeping began in 1988 according to provisional data released Tuesday by Brazil's National Space Research Agency (INPE). 1,798 square miles (4,656 square kilometers) of Amazon forest was chopped down during the 12 months ending July 31, 2012, 27 percent less than the year earlier period.
Amazon deforestation tracking higher in Brazil
(11/16/2012) Deforestation in the Brazilian Amazon continues to rise off historic lows according to satellite data released this week by Imazon, a Brazil-based NGO.
Featured video: on-the-ground look at Brazil's fight against deforestation
(11/15/2012) A new video by the Guardian takes an on-the-ground look at Brazil's efforts to tackle deforestation in the Amazon. Using satellite imagery, an elite team of enforcement agents are now able to react swiftly to illegal deforestation. The crackdown on deforestation has been successful: destruction of the Amazon has slowed by around 75 percent in the last 8 years.
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