Abstract. The Japan Aerospace Exploration Agency (JAXA) generated the global digital elevation/surface model (DEM/DSM) and orthorectified image (ORI) using archived data of Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM) onboard Advanced Land Observing Satellite (ALOS, nicknamed "Daichi"), which was operated from 2006 to 2011. PRISM consisted three panchromatic radiometers that acquired along-track stereo images. It had a spatial resolution 2.5 m in nadir-looking radiometer...

This paper summarizes the results obtained from geometric and radiometric calibrations of Phased-Array L-Band Synthetic Aperture Radar (PALSAR) on Advanced Land Observing Satellite, which has been in space for three years. All imaging modes PALSAR, i.e., single, dual, full polarimetric strip scanning synthetic aperture radar (SCANSAR), were calibrated validated using a total 572 calibration points collected worldwide distributed targets selected primarily Amazon forest. Through raw-data...

Abstract. Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM), one of onboard sensors carried on the Advanced Land Observing Satellite (ALOS), was designed to generate worldwide topographic data with its optical stereoscopic observation. The sensor consists three independent panchromatic radiometers viewing forward, nadir, and backward in 2.5 m ground resolution producing a triplet image along track. had observed huge amount stereo images all over world during mission life...

Mangroves are a globally important ecosystem that provides wide range of system services, such as carbon capture and storage, coastal protection fisheries enhancement. have significantly reduced in global extent over the last 50 years, primarily result deforestation caused by expansion agriculture aquaculture environments. However, limited number studies attempted to estimate changes mangrove extent, particularly into 1990s, despite much loss occurring pre-2000. This study has used L-band...

Abstract. Topographical information is fundamental to many geo-spatial related and applications on Earth. Remote sensing satellites have the advantage in such fields because they are capable of global observation repeatedly. Several satellite-based digital elevation datasets were provided examine terrains with medium resolutions e.g. Shuttle Radar Topography Mission (SRTM), model by Advanced Spaceborne Thermal Emission Reflection Radiometer (ASTER GDEM). A new surface (DSM) dataset using...

Topographical information is fundamental to many geo-spatial related and applications on Earth. Remote sensing satellites have the advantage in such fields because they are capable of global observation repeatedly. Several satellite-based digital elevation datasets were provided examine terrains with medium resolutions e.g. Shuttle Radar Topography Mission (SRTM), model by Advanced Spaceborne Thermal Emission Reflection Radiometer (ASTER GDEM). A new surface (DSM) dataset using archived data...

Abstract. In 2016 we first completed the global data processing of digital surface models (DSMs) by using whole archives stereo imageries derived from Panchromatic Remote sensing Instrument for Stereo Mapping (PRISM) onboard Advanced Land Observing Satellite (ALOS). The dataset was freely released to public in 30 m grid spacing as ‘ALOS World 3D - 30m (AW3D30)’, which generated its original version processed 5 or 2.5 spacing. has been updated since then improve absolute/relative height...

Abstract. Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM), one of onboard sensors carried by Advanced Land Observing Satellite (ALOS), was designed to generate worldwide topographic data with its optical stereoscopic observation. It has an exclusive ability perform a triplet stereo observation which views forward, nadir, and backward along the satellite track in 2.5 m ground resolution, collected derived images all over world during mission life from 2006 through 2011. A...

Early warning systems (EWS) have been proposed as a measure for controlling and preventing dengue fever outbreaks in countries where this infection is endemic. A vaccine not available has yet to reach the market due economic burden of development, introduction safety concerns. Understanding how spreads identifying risk factors will facilitate development EWS, which climate-based model still needed. An analysis was conducted examine emerging spatiotemporal hotspots at township level Taiwan,...

Extensive studies have highlighted a need for frequently consistent land cover information interdisciplinary studies. This paper proposes comprehensive framework the automatic production of first Vietnam-wide annual use/land (LULC) data sets (VLUCDs) from 1990 to 2020, using available remotely sensed and inventory data. Classification accuracies ranged 85.7 ± 1.3 92.0 1.2% with primary dominant LULC 77.6 84.7 1.1% secondary LULC. confirmed potential proposed systematically long-term...

The Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM) carried by the Advanced Land-Observing Satellite was designed to generate worldwide topographic data with its high-resolution and stereoscopic observation. For this objective, on-orbit geometric performance of PRISM sensors has been widely assessed calibrated since launch in January 2006 as an activity calibration validation team Japan Aerospace Exploration Agency's Earth Observation Research Center. This ongoing generated...

<para xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> The Advanced Land Observing Satellite (ALOS) was developed for detailed observation of the Earth's surface and frequent monitoring global environmental changes, using high-resolution optical (visible near infrared push-broom) active microwave sensors (L-band synthetic aperture radar). ALOS has four mission objectives: cartography, regional observations, disaster resource exploration. It been...

The Advanced Land Observing Satellite [(ALOS); nicknamed ldquoDaichirdquo] was successfully launched on January 24, 2006, and it continues to work very well. This paper describes the calibrations of two optical instruments onboard ALOS, which are Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM) Visible Near-Infrared Radiometer type 2 (AVNIR-2). PRISM consists three panchromatic radiometers is used derive a digital surface model (DSM) with high spatial resolution, an...

Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM), one of onboard sensors carried by Advanced Land Observing Satellite (ALOS), was designed to generate worldwide topographic data with its optical stereoscopic observation. It has an exclusive ability perform a triplet stereo observation which views forward, nadir, and backward along the satellite track in 2.5 m ground resolution, collected derived images all over world during mission life from 2006 through 2011. A new project,...

The Japan Aerospace Exploration Agency is generating the global digital elevation/surface model (DEM/DSM) and ortho-rectified image (ORI) using archived data of Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM) onboard Advanced Land Observing Satellite (ALOS, nicknamed "Daichi"), which was operated from 2006 to 2011. overview processing status DSM/ORI dataset generation project called "ALOS World 3D" (AW3D) introduced in this paper. It necessary consider strategies, since...

The horizontal two-dimensional (2D) urban land use approach is not sufficient to trace rapid changes in environment. Hence, a three-dimensional (3D) that different from the traditional geographical method necessary understand mechanism of compound diversity. Using remote sensing data captured 2010/2011 and geospatial tools techniques, we quantified volume (UV, consisting built (UBV) green (UGV)) retrieved mapped surface temperature (LST) two cities Japan (Tsukuba, planned city, Tsuchiura,...

Abstract The cloud-free, wide-swath, day-and-night observation capability of synthetic aperture radar (SAR) has an important role in rapid landslide monitoring to reduce economic and human losses. Although interferometric SAR (InSAR) analysis is widely used monitor landslides, it difficult use that for detection mountainous forest areas because significant decorrelation. We combined polarimetric (PolSAR), InSAR, digital elevation model (DEM) detect landslides induced by the July 2017 Heavy...

Abstract Land use land cover (LULC) maps are crucial for various applications, such as disaster management, natural resource conservation, biodiversity evaluation, climate modeling, etc. The Japan Aerospace Exploration Agency (JAXA) has released several high-resolution LULC national and regional scales. Vietnam, due to its rich cultural diversity, is a target country the production of maps. This study introduces high-accuracy map utilizing CNN approach that performs convolution over...

Biophysical parameters and L-band polarimetry synthetic aperture radar observation data were taken for 59 test sites in Tomakomai national forest, which is located the northern part of Japan. Correlations between derived sigma <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">HH</sub> <sup xmlns:xlink="http://www.w3.org/1999/xlink">0</sup> , xmlns:xlink="http://www.w3.org/1999/xlink">HV</sub> xmlns:xlink="http://www.w3.org/1999/xlink">VV</sub>...

In March, 2016 we first completed the global data processing of digital surface models (DSMs) by using whole archives stereo images derived from Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM) onboard Advanced Land Observing Satellite (ALOS). The dataset has unprecedented 5 m grid spacing utilizing original in 2.5 resolution while its target accuracy was set to (rms) vertical and also horizontal. After validation completed, detected slight systematic relative height errors...

Recent increases in global temperature have stimulated permafrost degradation associated with landform deformation caused by the melting of excess ground ice (thermokarst). Central Yakutia is underlain ice-rich continuous permafrost, and there are complicated permafrost-related features forested deforested areas. This situation makes thermokarst monitoring necessary over a wide area to achieve better understanding its dynamics. As case study, we applied L-band InSAR analysis map surface...

In this study, an automatic change detection method for near real-time (NRT) forest monitoring in tropical regions is described. L-band ALOS-2/PALSAR-2 ScanSAR HH, HV, and HH/HV ratio were used to detect various deforestation stages based on their different radar scattering characteristics. The three main considered approach as follows: (1) was cut, felled trees left the ground, (2) burned, (3) (and burned) removed. Two types of fires occurred rain forests dry open considered. Multi-temporal...

Abstarct The Advanced Land Observing Satellite (ALOS) is relatively new. Its optical sensors are capable of making high-resolution digital surface models (DSMs). For the first time, task constructing a regional-scale inventory glacial lakes based on ALOS data has been undertaken. This study presents data-processing methods and results validation analysis ALOS-based lake Bhutan in Himalaya. GPS measurements taken at Metatshota Mangde Chu sub-basin, one assessed as presenting potential flood...