Use the top navigation to read an overview of global forest issues, and use the side navigation to select the amazon and congo regions and topics within. Nasa firstofitskind map depicts global forest heights. For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article. Foresttrekk solution is made with an integration of hotspot location with daily coverage of imagery within the same platform, its very easy to simulate and map burnt area. New dataled applications let us track forest loss and discourage unsustainable practices in the supply chain by luiz amaral and andrew steer the world has. Microwaves and radar institute project forestnonforest map. In this study, earth observation satellite data were used to map global forest loss 2. Such an analysis may reveal a more sensitive ability to detect and map forest disturbance with landsat 8 data. The new forest height map is a step toward a global map of all aboveground biomass. After the fire finished it is very necessary to estimate the loss.
Either import the global forest change data learn more about searching and importing datasets by searching for hansen forest and naming the import gfc2014, or copy the following. Monitoring the worlds forests with global forest watch. Check out the highlights and learn what you can do with the map. Here, forest is defined as the natural forest with the area larger than 0. Weve made exciting changes to the map to make it faster, more powerful, and easier to use. The center for global developments forma or forest monitoring for action allows close tracking and analysis of global deforestation trends. Atlas of forest and landscape restoration opportunities. Quantification of global forest change has been lacking despite the recognized importance of forest ecosystem services. This map is applied in the final tandemx forest map. Updated 2010 worlds forest map based on 250m spatial resolution satellite data. Gfw fires forest watcher open data portal map builder tech fellowship download data from the open data portal.
Results from timeseries analysis of landsat images characterizing forest extent and change. For the sake of our future, it is critical that all people including the next generation, understand. The tandemx forestnonforest map is a project developed by the microwaves and radar institute at the german aerospace center dlr, within the activities of the tandemx mission. Iiasas global forest database presents the faos global forest resources assessment 2005 at enhanced spatial resolution of 0. Global forest watch blog welcome to the global forest. Sassan saatchi, senior scientist at nasas jet propulsion laboratory in pasadena, calif. Aglobal forest bglobal forest bring the worlds changing forests inside the classroom may 25, 2016. Data and research archives global forest watch blog.
The global tandemx forestnonforest map presented in this paper will be made available to the scientific community for free downloading and. Projecting this model across the global mangrove forest distribution for. Nature paper offers global map to understand changing. Results from timeseries analysis of landsat images in characterizing global forest extent and change from 2000 through 2018. The global forest atlas highlights issues facing the worlds forests, with a current focus on the two largest tropical forest regions of the world, the amazon basin and the congo basin. The area of land covered by forest and trees is an important indicator of environmental condition. The pantropical biomass map was integrated with the boreal forest biomass component santoro et al.
Gfw is free and simple to use, enabling anyone to create custom maps, analyze forest trends, subscribe to alerts, or download data for their local area or the. We provide the first spatially continuous map of forest tree density at a global scale. An international collaboration of hundreds of scientists led in part by the forest advanced computing and artificial intelligence facai laboratory in purdues department of forestry and natural resources has developed the worlds first global map of tree symbioses. Global forest watch gfw offers the latest data, technology and tools that empower people everywhere to better protect forests. In the odp you can download data with oneclick and choose from multiple download formats such as. For any patch of forest, the height shown means that 90 percent or more of the trees in the patch are that tall or taller. The global extent and distribution of forest trees is central to our understanding of the terrestrial biosphere. Tutorial videos webinars faqs training modules blogs how to download data. The global forestnonforest map fnf is generated by classifying the sar image backscattering coefficient in the global 25m resolution palsar2palsar sar mosaic so that strong and low backscatter pixels are assigned as forest and nonforest, respectively. Blog the gfw blog catalyzes conversations around improved forest management by providing timely, credible analysis on threats to global forests. The map was compiled from a variety of sources from several data providers. This layer portrays elevation as an artistic hillshade. Download data from the open data portal global forest watch. Highresolution global maps of 21stcentury forest cover change.
Global tree line mask in red, estimated from the global tandemx dem height and the globcover classification map. The classification tree algorithm related the forest cover loss training data to the modis inputs. Add gfw data to your own online gfwstyle interactive map using mapbuilder. Forest fire is a major cause of degradation of forests. Scientist have created the first highresolution global map of forest extent, loss and. The gfd contains information about the growing stock, biomass, and carbon stock in forests for 229 countries.
This study presents and analyses results from the global forest resources assessment 2015 fra 2015 of the food and agriculture organization of the united nations. There are several efforts of mapping forests at regional to paneuropean scales. They absorb carbon dioxide, and emit oxygen on which all people and animals on earth rely. The goal is the derivation of a global forestnonforest classification mosaic from tandemx bistatic interferometric synthetic aperture radar insar data, acquired for the generation of the global digital. Expert consultations to fra 2000 provided a mandate to incorporate biodiversity indicators into the assessment and as a response fao developed the first global ecological zones gez classification and maps to enable the presentation of some of the fao forest statistics to be shown by a set of classes that have some ecological meaning and more generally understood as broad forest types e. Forest cover loss is defined as a standreplacement disturbance, or a change from a forest to nonforest state, during the period 20002018.
The map is key to understanding how forests are changing and the role climate plays in these shifts. Users can also contribute to gfw by sharing data and stories from the ground via gfws crowdsourcing tools, blogs, and discussion groups. In 2016, global forest watch was used to expose illegal deforestation by united cocoa of primary tropical forest in peru. To analyze, use the search bar to find your watershed or click on your watershed via the map. Iiasas global forest database gfd contains information about. Maps and figures global forest resources assessments. Maps and figures global forest resources assessments food. The global partnership on forest landscape restoration.
Explore our archive of stories to learn more about the data and people behind our work. The download dropdown will also provide an option to download filtered dataset, determined by a map or attribute filter. Global forest watch gfw and gfw climate global climate. Forest cover loss is defined as a standreplacement disturbance, or a change from a forest to non forest state, during the period 20002018. View recent satellite imagery, searchable by date and cloud cover.
For additional information about these results, please see the associated journal article hansen et al. We encourage you to download this material and use it, with the following citation. Nasa first map of global forest heights created from. First detailed map of global forest change sciencedaily. An intact forest landscape ifl is a seamless mosaic of forest and naturally treeless ecosystems within the zone of current forest extent, which exhibit no remotely detected signs of human activity or habitat fragmentation and is large enough to maintain all native biological diversity, including viable populations of wideranging species. New dataled applications let us track forest loss and discourage unsustainable practices in the supply chain by. Pdf a global map of mangrove forest soil carbon at 30 m. A firstofitskind global map shows forest canopy height in shades of green from 0 to 70 meters 230 feet. This years survey summarises the 2015 publicly available yearoveryear financial information of the pwc top 100 the 100 largest forest, paper and packaging. Mongabay used images of the global forest watch map to report the deforestation, setting in motion a series of events that led to the company ceasing its operations. Browse current active fires and sign up for alerts, or layer data to create custom maps showing forest use, conservation, land cover, air quality, and satellite imagery. To download the forest data please take the following steps. Highresolution global maps of 21stcentury forest cover. Empowering people everywhere to track and respond to forest and land fires through an interactive online fire monitoring system with near realtime data.
Download data from the open data portal how to global forest. A global map of mangrove forest soil carbon at 30 m spatial resolution. The global forestnonforest map from tandemx interferometric sar data. The map is designed to be used as a backdrop for topographical, soil, hydro, landcover or other outdoor recreational maps. The eurostat website statistics explained publishes upto. The global mangrove forests distribution, 2000 data set is a compilation of the extent of mangroves forests from the global land survey and the landsat archive with hybrid supervised and unsupervised digital image classification techniques. Global forest watch gfw is an interactive online forest monitoring and alert system designed to empower people everywhere with the information they need to. Trees are defined as vegetation taller than 5m in height and are expressed as a percentage per output grid cell as 2000 percent tree cover. Gfw also offers an interactive map, interactive forest statistics and infographics on the country profiles and rankings, downloadable data by category and. The global forest resources assessment produces maps and figures to facilitate the understanding of the state of forest resources. Use the interactive global forest watch map to explore tree cover loss and forest change over time as it happens live around the world. Global forest watch gfw is free and simple to use, enabling anyone to create custom maps, analyze forest trends, subscribe to alerts, or download data for their local area or the entire world. The classification tree yielded a per modis pixel 5year change likelihood map. The tandemx 50m fnf map offered for download follows in the most aspects.
1446 829 356 329 302 348 1212 920 704 1528 871 935 1111 525 661 196 1314 352 1348 1519 776 670 177 1015 1333 264 1347 1311 971