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Tropical forest mapping using a combination of optical and microwave data of ALOS

Nguyen Thanh Hoan, Ryutaro Tateishi, Bayan Alsaaideh, Thomas Ngigi, Ilham Alimuddin, Brian Johnson
2013 International Journal of Remote Sensing  
This study seeks to improve tropical forest mapping by combining optical and microwave imagery, with one of the main objectives being the discrimination of planted and natural forests.  ...  It is difficult to monitor forests in tropical regions with frequent cloud cover using optical remote-sensing data. Adequate multi-temporal, high-resolution imagery is often not available.  ...  Acknowledgement ALOS data are provided by JAXA in the framework of the ALOS programme as a principal investigator (PI) member.  ... 
doi:10.1080/01431161.2012.709329 fatcat:ht6fk2ddmndcrh34tnulmq3ep4

Spaceborne L-Band Synthetic Aperture Radar Data for Geoscientific Analyses in Coastal Land Applications: A Review

Marco Ottinger, Claudia Kuenzer
2020 Remote Sensing  
Hence, active radar systems demonstrate great potential for continuous mapping and monitoring of coastal regions, particularly in cloud-prone tropical and sub-tropical climates.  ...  topics: mapping and monitoring of flooded vegetation and inundated areas; the retrieval of aboveground biomass; and the estimation of soil moisture.  ...  Acknowledgments: The authors acknowledge the use of ALOS-2/PALSAR-2 data (©JAXA 2017) and Sentinel-2 data (©ESA 2017).  ... 
doi:10.3390/rs12142228 fatcat:4bplx7hxgbbyfdxddqau4kn4uq

Mapping Tropical Forest Biomass by Combining ALOS-2, Landsat 8, and Field Plots Data

Luong Viet Nguyen, Ryutaro Tateishi, Akihiko Kondoh, Ram Sharma, Hoan Thanh Nguyen, Tu Trong To, Dinh Ho Tong Minh
2016 Land  
This research was carried out in a dense tropical forest region with the objective of improving the biomass estimates by a combination of ALOS-2 SAR, Landsat 8 optical, and field plots data.  ...  However, the combination of the maximum NDVI from optical data, SAR textures from HV polarization, and σ • forest improved estimates of the biomass.  ...  We would like to thank JAXA for providing ALOS-2 SAR data for this study in the framework of ALOS Research program, PI No. 1172.  ... 
doi:10.3390/land5040031 fatcat:ppclsp5x2zakxbwc3bnhoarncq

Annual dynamics of forest areas in South America during 2007–2010 at 50-m spatial resolution

Yuanwei Qin, Xiangming Xiao, Jinwei Dong, Yuting Zhou, Jie Wang, Russell B. Doughty, Ying Chen, Zhenhua Zou, Berrien Moore
2017 Remote Sensing of Environment  
Greenness-relevant MOD13Q1 NDVI and structure/biomassrelevant ALOS PALSAR time series data recorded 2007 through 2010 were coupled to identify and map forests at 50-m spatial resolution.  ...  The integration of PALSAR and MODIS images during 2007-2010 provides annual maps of forests in South America with improved accuracy and reduced uncertainty.  ...  Foundation (GEO-1128040), the National Aeronautics and Space Administration (NASA) Land Cover and Land Use Change program (NNX14AD78G), the National Science Foundation (NSF) EPSCoR program (IIA-1301789  ... 
doi:10.1016/j.rse.2017.09.005 fatcat:e3a3r6xvyrd6hi2shmrezf6jhe

The Prospect of Radar Remote Sensing in Assessment of Forest above Ground Biomass

Yogesh Kumar Yogesh Kumar, TJPRC
2020 International Journal of Agricultural Science and Research  
However, frequent cloud coverage hinders the acquisition of all weather data in the optical sensors.  ...  The longer wavelength and shorter featuring SAR data is capable to penetrate deep inside the forest and its weak backscatter coefficient from rough surface makes it crucial for the estimation of forest  ...  forest management practices.The saturation limit can be overcome largely using different techniques such as polarization ratios, time series SAR data, combination of optical and SAR data, inversion method  ... 
doi:10.24247/ijasrjun202004 fatcat:hikiuos5bnbw5pqgufh3csj5au

Quantifying Forest Biomass Carbon Stocks From Space

Pedro Rodríguez-Veiga, James Wheeler, Valentin Louis, Kevin Tansey, Heiko Balzter
2017 Current Forestry Reports  
Purpose of Review This review presents cutting-edge methods and current and forthcoming satellite remote sensing technologies to map aboveground biomass (AGB).  ...  protect and enhance forest carbon stocks.  ...  [97] recently published a global AGB map based on a combination of GLAS footprints, forest inventory data, optical imagery, climate data and land cover layers by means of a random forest approach.  ... 
doi:10.1007/s40725-017-0052-5 fatcat:3igema6jp5gg7p6n4s336kavfa

Measurement of Forest Above-Ground Biomass Using Active and Passive Remote Sensing at Large (Subnational to Global) Scales

Richard M. Lucas, Anthea L. Mitchell, John Armston
2015 Current Forestry Reports  
Further improvements in estimates are anticipated with the launch of new spaceborne LiDAR and SAR that have been specifically designed for better retrieval of forest structure and AGB.  ...  detection and ranging (LiDAR) (airborne and spaceborne) data.  ...  In Australia, [41] improved estimates of AGB by combining SRTM-derived height maps with ALOS PALSAR backscatter data.  ... 
doi:10.1007/s40725-015-0021-9 fatcat:w6le4hl3incjdo3ahvbeyoxv3a

Fusion of Complementary Information of SAR and Optical Data for Forest Cover Mapping using Random Forest Algorithm

Naveen Veerabhadraswamy, Guddappa M. Devagiri, Anil Kumar Khaple
2021 Current Science  
This study demonstrates that RF classification of multi-sensor data fusion improves the classification accuracy by 13.50% and 9.15%, compared to SAR and optical data.  ...  We developed a methodological framework for accurate forest cover mapping of Shivamogga taluk, Karnataka, India using multi-sensor remote sensing data.  ...  The proposed forest-cover mapping approach has demonstrated the advantage of combining textural information of SAR and spectral information of optical data.  ... 
doi:10.18520/cs/v120/i1/193-199 fatcat:7e5xno5oqjcndflzcgf5jmeio4

APPLICATIONS OF SAR DATA TO ESTIMATE FOREST BIOPHYSICAL VARIABLES IN BRAZIL

Janisson Batista de Jesus, Tatiana Mora Kuplich
2020 Cerne  
Most works were made based on airborne radar data, followed by ALOS/PALSAR and JERS-1 orbital data.  ...  ABSTRACT The use of SAR images has been highlighted in scientific research focused on forest data collection worldwide.  ...  Baghdadi et al. (2015) used ALOS/PALSAR images in eucalyptus plantations in São Paulo state and observed that the use of plantation age along with SAR data slightly improved the results of forest biomass  ... 
doi:10.1590/01047760202026012656 fatcat:bmr5a3p4uncltfysabch4qague

PALSAR-2/ALOS-2 AND OLI/LANDSAT-8 DATA INTEGRATION FOR LAND USE AND LAND COVER MAPPING IN NORTHERN BRAZILIAN AMAZON

João Arthur Pompeu Pavanelli, João Roberto dos Santos, Lênio Soares Galvão, Maristela Xaud, Haron Abrahim Magalhães Xaud
2018 Boletim de Ciências Geodésicas  
Here, data from the Operational Land Imager (OLI)/Landsat-8 and Phased Array type L-band Synthetic Aperture Radar (PALSAR-2)/ALOS-2 were combined for mapping 17 LULC classes using Random Forest (RF) during  ...  The results showed that the combination of PALSAR-2 HH/HV amplitudes with the reflectance of the six OLI bands produced an overall accuracy of 83% and a Kappa of 0.81, which represented an improvement  ...  classification using the validation set of pixels and the combination of optical (OLI/Landsat-8) and SAR (PALSAR-2/ALOS-2) attributes (RF model 15).  ... 
doi:10.1590/s1982-21702018000200017 fatcat:lfywm72qf5cfbpc56gmru44ihm

Wetlands and Malaria in the Amazon: Guidelines for the Use of Synthetic Aperture Radar Remote-Sensing

Thibault Catry, Zhichao Li, Emmanuel Roux, Vincent Herbreteau, Helen Gurgel, Morgan Mangeas, Frédérique Seyler, Nadine Dessay
2018 International Journal of Environmental Research and Public Health  
In light of these guidelines, we propose a framework for the production of spatialized indicators and malaria risk maps based on the combination of SAR, entomological and epidemiological data to support  ...  Malaria transmission is a multi-scale process strongly controlled by environmental factors, and the use of remote-sensing data is suitable for the characterization of its spatial and temporal dynamics.  ...  Results were produced with the support of Young Team associated to IRD GITES (JEAI GITES) and International Mixed Laboratory Sentinela (LMI Sentinela) funded by the IRD.  ... 
doi:10.3390/ijerph15030468 pmid:29518988 pmcid:PMC5877013 fatcat:4q7vj5bg6nf47gndt65kopy4bu

Developing synergy regression models with space-borne ALOS PALSAR and Landsat TM sensors for retrieving tropical forest biomass

Suman Sinha, C Jeganathan, L K Sharma, M S Nathawat, Anup K Das, Shiv Mohan
2016 Proceedings of the Indian Academy of Sciences, Earth and Planetary Sciences  
This study aims at developing optimal regression models for retrieving forest above-ground bole biomass (AGBB) utilising optical data from Landsat TM and microwave data from L-band of ALOS PALSAR data  ...  Hence, the study recommends the combined use of both optical and SAR sensors for better assessment of stand biomass with significant contribution towards operational forestry. 2014).  ...  The authors express sincere gratitude to the Department of Science and Technology (DST), Government of India for providing funds under DST-INSPIRE Program (Ref. No.  ... 
doi:10.1007/s12040-016-0692-z fatcat:qps2q6gwkrhdfb6y5s66roiobq

Integrating Multi-Sensor Remote Sensing Data for Land Use/Cover Mapping in a Tropical Mountainous Area in Northern Thailand

YI-CHEN WANG, CHEN-CHIEH FENG, HUAN VU DUC
2012 Geographical Research  
The purpose of this study is to assess the potential of using multi-sensor data sets for land use/cover mapping in a tropical mountainous area in northern Thailand.  ...  Classification and accuracy assessment were conducted for 12 different combinations of the data sets.  ...  Research Support Scheme, Dr Wayne Stephenson and two anonymous reviewers for their comments, and Yikang Feng and Li-Kheng Lee for their assistance in mapping.  ... 
doi:10.1111/j.1745-5871.2011.00732.x fatcat:6rkklrwi4rbazmn5ev4ezztihu

The Modeling of above Ground Biomass in Ranges of Corbett Tiger Reserve using Dual-Polarization ALOS PALSAR Data

Y. Kumar, S. Singh, R.S. Chatterjee
2017 Journal of Tropical Forestry and Environment  
inventory data collected by Forest Survey of India team in 2010.  ...  To improve the accuracy and to know the combined effects of both the polarizations, multiple linear regression analysis (MLR) was applied.  ...  The author wishes to thank Director General (DG) and Assistant Director General (ADG) Forest Survey of India for valuable guidance and support.  ... 
doi:10.31357/jtfe.v7i2.3314 fatcat:ljjoqd3qtvfujfeqokz3mvkpva

Remote Sensing Approaches for Monitoring Mangrove Species, Structure, and Biomass: Opportunities and Challenges

Tien Pham, Naoto Yokoya, Dieu Bui, Kunihiko Yoshino, Daniel Friess
2019 Remote Sensing  
We see several key future directions for the potential use of remote sensing techniques combined with machine learning techniques for mapping mangrove areas and species, and evaluating their biomass and  ...  A wide range of studies is based on optical imagery (aerial photography, multispectral, and hyperspectral) and synthetic aperture radar (SAR) data.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs11030230 fatcat:xgxftojh5vdfhgkpqcwehgbkwa
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