Filters








83,077 Hits in 5.0 sec

Creation of New Global Land Cover Map with Map Integration

Koki Iwao, Kenlo Nishida Nasahara, Tsuguki Kinoshita, Yoshiki Yamagata, Dave Patton, Satoshi Tsuchida
2011 Journal of Geographic Information System  
We present here a new approach to the development of a global land cover map.  ...  Agreement between the DCP-derived information and the land cover maps was 61.3% for our new land cover map, 60.3% for MOD12, 58.9% for GLC2000, and 55.2% for UMD.  ...  Acknowledgements We acknowledge with gratitude funding support for this study from the Global Environmental Research Fund of the Ministry of the Environment of Japan (Study leader: Takehisa Oikawa) under  ... 
doi:10.4236/jgis.2011.32013 fatcat:v7kj4ncxgzhl3iey3sykpbilgm

Building a hybrid land cover map with crowdsourcing and geographically weighted regression

Linda See, Dmitry Schepaschenko, Myroslava Lesiv, Ian McCallum, Steffen Fritz, Alexis Comber, Christoph Perger, Christian Schill, Yuanyuan Zhao, Victor Maus, Muhammad Athar Siraj, Franziska Albrecht (+12 others)
2015 ISPRS journal of photogrammetry and remote sensing (Print)  
Although there is an ongoing movement towards the development of higher resolution global land cover maps, medium resolution land cover products (e.g.  ...  land cover maps disagree, using the agreement of the land cover maps to determine land cover at the other cells.  ...  Materials and Methods Global Land Cover Maps Three global land cover datasets have been used in the creation of the hybrid land cover map.  ... 
doi:10.1016/j.isprsjprs.2014.06.016 fatcat:txx545ezvrcofiyi3jawovmtxy

Overall Methodology Design for the United States National Land Cover Database 2016 Products

Suming Jin, Collin Homer, Limin Yang, Patrick Danielson, Jon Dewitz, Congcong Li, Zhe Zhu, George Xian, Danny Howard
2019 Remote Sensing  
Major steps in the new procedures consist of data preparation, land cover change detection and classification, theme-based postprocessing, and final integration.  ...  The land cover classification includes seven-date training data creation and 14-run classifications.  ...  Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs11242971 fatcat:endzarkhprcpriqrn263mjjes4

A global dataset of crowdsourced land cover and land use reference data

Steffen Fritz, Linda See, Christoph Perger, Ian McCallum, Christian Schill, Dmitry Schepaschenko, Martina Duerauer, Mathias Karner, Christopher Dresel, Juan-Carlos Laso-Bayas, Myroslava Lesiv, Inian Moorthy (+7 others)
2017 Scientific Data  
Global land use is typically more difficult to map and in many cases cannot be remotely sensed.  ...  Design Type(s) data integration objective • observation design • database creation objective • citizen science design Measurement Type(s) land cover Technology Type(s) image analysis Factor Type(s) Sample  ...  land cover and land use science but also for the creation of remotely-sensed and hybrid products.  ... 
doi:10.1038/sdata.2017.75 pmid:28608851 pmcid:PMC5469313 fatcat:kvnst23xkjhktpk7ipgetfikju

Development of Decadal (1985–1995–2005) Land Use and Land Cover Database for India

Parth Roy, Arijit Roy, Pawan Joshi, Manish Kale, Vijay Srivastava, Sushil Srivastava, Ravi Dwevidi, Chitiz Joshi, Mukunda Behera, Prasanth Meiyappan, Yeshu Sharma, Atul Jain (+36 others)
2015 Remote Sensing  
India has experienced significant Land-Use and Land-Cover Change (LULCC) over the past few decades.  ...  Our LULC maps with more than 90% overall accuracy highlight the changes prominent at regional level, i.e., loss of forest cover in central and northeast India, increase of cropland area in Western India  ...  Prasanna Kumar Mapping and creation of data base. Deepak Kushwaha Mapping and creation of data base.  ... 
doi:10.3390/rs70302401 fatcat:7i2vcck7frdajorv6clbnmkmae

Mapping global cropland and field size

Steffen Fritz, Linda See, Ian McCallum, Liangzhi You, Andriy Bun, Elena Moltchanova, Martina Duerauer, Fransizka Albrecht, Christian Schill, Christoph Perger, Petr Havlik, Aline Mosnier (+35 others)
2015 Global Change Biology  
A new 1 km global IIASA-IFPRI cropland percentage map for the baseline year 2005 has been developed which integrates a number of individual cropland maps at global to regional to national scales.  ...  Both are critical inputs to global agricultural monitoring in the frame of GEOGLAM and will serve the global land modelling and integrated assessment community, in particular for improving land use models  ...  However, integration of existing maps also has problems in terms of global consistency.  ... 
doi:10.1111/gcb.12838 pmid:25640302 fatcat:qmerdx754baprludvolaexcf24

Highlighting continued uncertainty in global land cover maps for the user community

Steffen Fritz, Linda See, Ian McCallum, Christian Schill, Michael Obersteiner, Marijn van der Velde, Hannes Boettcher, Petr Havlík, Frédéric Achard
2011 Environmental Research Letters  
In the last 10 years a number of new global datasets have been created and new, more sophisticated algorithms have been designed to classify land cover.  ...  GlobCover and MODIS v.5 are the most recent global land cover products available, where GlobCover (300 m) has the finest spatial resolution of other comparable products such as MODIS v.5 (500 m) and GLC  ...  Creation of cropland and forest disagreement maps The disagreement in cropland and forest cover between a given pair of land cover maps is derived using a concept termed in this paper as the Minimum Measurable  ... 
doi:10.1088/1748-9326/6/4/044005 fatcat:c5qynk6eg5eqbfrxqr3pgrrfw4

Building Saliency, Legitimacy, and Credibility toward Operational Global and Regional Land-Cover Observations and Assessments in the Context of International Processes and Observing Essential Climate Variables [chapter]

Martin Herold, Lammert Kooistra, Annemarie van Groenestijn, Pierre Defourny, Chris Schmullius, Vasileios Kalogirou, Olivier Arino
2012 Remote Sensing Applications Series  
land-cover project offi ce and the Land-Cover CCI project.  ...  ACKNOWLEDGMENT The authors gratefully acknowledge the contributions of the European Space Agency's Data User Element (ESRIN) for supporting related activities, in particular for funds provided to the GOFC-GOLD  ...  annual maps of global land cover (Action T26).  ... 
doi:10.1201/b11964-31 fatcat:zzupdwv3cvfnrnaqj62e4wgu6i

Harnessing the power of volunteers, the internet and Google Earth to collect and validate global spatial information using Geo-Wiki

Linda See, Steffen Fritz, Christoph Perger, Christian Schill, Ian McCallum, Dmitry Schepaschenko, Martina Duerauer, Tobias Sturn, Mathias Karner, Florian Kraxner, Michael Obersteiner
2015 Technological forecasting & social change  
Crowdsourced data from Geo-Wiki have been used to create new maps of agricultural field size, wilderness, cropland and land cover.  ...  Geo-Wiki is a tool for visualisation, crowdsourcing and validation of information on global land cover. 2.  ...  driver in the creation of Geo-Wiki.  ... 
doi:10.1016/j.techfore.2015.03.002 fatcat:hcwskw4jhvdchnqbeqkfy2hvj4

Advances in interactive processing and visualisation with JupyterLab on the JRC Big Data Platform (JEODPP)

Davide De Marchi, Pierre Soille
2019 Zenodo  
The JRC Big Data Platform (JEODPP) is serving JRC projects and their partners for any big data application with emphasis on geospatial data.  ...  They can be interactively visualised together with vector datasets such as NATURA2000, EFFIS forest fires, administrative territorial units, and land use-land cover at European level (Corine Land Cover  ...  New datasets are continuously integrated in the interactive mode.  ... 
doi:10.5281/zenodo.3239238 fatcat:4ukpr7zhy5c3vlpd5hbrhu2boa

New forests and Kyoto Protocol carbon accounting: A case study in central Italy

Alessandro Alivernini, Anna Barbati, Paolo Merlini, Francesco Carbone, Piermaria Corona
2016 Agriculture, Ecosystems & Environment  
The approach is based on forest cover change detection and growing stock mapping, while the multi-temporal carbon sink analysis is performed by means of the CO2FIX model.  ...  , integrating optical imagery and airborne laser scanning data with field survey, are combined with the carbon simulation model CO2FIX to project carbon changes.  ...  Yet, only few studies have quantitatively analyzed the implications of forest expansion in terms of creation of new carbon sinks (Acosta et al., 2005; Conti and Fagarazzi, 2004; Gils et al., 2008; Mazzoleni  ... 
doi:10.1016/j.agee.2015.11.006 fatcat:qhpdf4jo75ffrgykqxkwrvqs6i

Creation of a Preliminary Database for Monitoring and Evaluating the Transformations of the Peri-Urban Landscape of Padua (Italy)

Chrysafina Geronta, Viviana Ferrario
2018 GI_FORUM - Journal for Geographic Information Science  
cover) to a municipal scale for the creation of diachronic, detailed and comparable maps from which a series of further analyses can be carried out, and from which conclusions can be drawn to support  ...  Related to the activities of the Interreg Central Europe programme 'UGB -Urban Green Belts', the paper describes a methodology for adapting the European classification system for land cover (CORINE land  ...  The result is a new database that harmonizes and integrates existing data along with new data.  ... 
doi:10.1553/giscience2018_01_s117 fatcat:mhpokknu3famplzqcf3avlzx3m

Analyzing the Uncertainty of Degree Confluence Project for Validating Global Land-Cover Maps Using Reference Data-Based Classification Schemes

Tana Qian, Tsuguki Kinoshita, Minoru Fujii, Yuhai Bao
2020 Remote Sensing  
We built a reference dataset based on the DCP-interpreted dataset and applied a comparison for three existing global land-cover maps and DCP dataset-based probability maps under different classification  ...  Global land-cover products play an important role in assisting the understanding of climate-related changes and the assessment of progress in the implementation of international initiatives for the mitigation  ...  Figure 5 . 5 Overall accuracies of seven new integrated global land cover maps.  ... 
doi:10.3390/rs12162589 fatcat:vqt54z5h3vellauqoj3o6fmotu

Trapped between antiquity and urbanism – a multi-criteria assessment model of the greater Cairo Metropolitan area

Eric de Noronha Vaz, Mário Caetano, Peter Nijkamp
2011 Journal of Land Use Science  
The use of the different bands of that imagery allowed the classification of the land-cover classes: Urban, Vegetation, Desert, and Water.  ...  A temporal comparison of the different types of landcover indicates which land-use changes that have occurred over the years considered are associated with the potential for endangering the Giza complex  ...  The creation of vector training sites with clear land-cover classes allowed the development of signatures which led to the creation of the classifiers.  ... 
doi:10.1080/1747423x.2010.519059 fatcat:uie56eovobh7pgo6cshinepfz4

A new generation of the United States National Land Cover Database: Requirements, research priorities, design, and implementation strategies

Limin Yang, Suming Jin, Patrick Danielson, Collin Homer, Leila Gass, Stacie M. Bender, Adam Case, Catherine Costello, Jon Dewitz, Joyce Fry, Michelle Funk, Brian Granneman (+3 others)
2018 ISPRS journal of photogrammetry and remote sensing (Print)  
To continue the legacy of NLCD and further establish a long-term monitoring capability for the Nation's land resources, the USGS has designed a new generation of NLCD products named NLCD 2016.  ...  training data development and decision-tree based land cover classifications; a temporally, spectrally, and spatially integrated land cover change analysis strategy; a hierarchical theme-based post-classification  ...  Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.  ... 
doi:10.1016/j.isprsjprs.2018.09.006 fatcat:a4e36ftyjrghzbht2ijrdg2ir4
« Previous Showing results 1 — 15 out of 83,077 results