Results 71 to 80 of about 5,896 (163)

Kajian karakteristik backscatter citra ALOS PALSAR pada tegakan hutan tanaman eucalyptus grandis

, 2011
This study was performed to identify the relationship beetwen the backscatter of ALOS PALSAR having pixel size of 50 x 50 m and 6,25 x 6,25 m, and the variables of Eucalyptus grandis forest plantation stand. The main objective of the study is to identify
Woisiri, Ayub
core  

JAXA Annual Forest Cover Maps for Vietnam during 2015–2018 Using ALOS-2/PALSAR-2 and Auxiliary Data

Remote Sensing, 2019
Monitoring the temporal changes of forests is important for sustainable forest management. In this study, we investigated the potential of using multi-temporal synthetic aperture radar (SAR) images for mapping annual change in forest cover at a national ...
Van Thinh Truong, Thanh Tung Hoang, Duong Phan Cao, Masato Hayashi, Takeo Tadono, Kenlo Nishida Nasahara   +5 more
doaj   +1 more source

Equatorial Ionospheric Scintillation Measurement in Advanced Land Observing Satellite Phased Array-Type L-Band Synthetic Aperture Radar Observations

Engineering
Amplitude stripes imposed by ionospheric scintillation have been frequently observed in many of the equatorial nighttime acquisitions of the Advanced Land Observing Satellite (ALOS) Phased Array-type L-band Synthetic Aperture Radar (PALSAR). This type of
Yifei Ji, Zhen Dong, Yongsheng Zhang, Feixiang Tang, Wenfei Mao, Haisheng Zhao, Zhengwen Xu, Qingjun Zhang, Bingji Zhao, Heli Gao   +9 more
doaj   +1 more source

Integrated Analyses of PALSAR and Landsat Imagery Reveal More Agroforests in a Typical Agricultural Production Region, North China Plain

Remote Sensing, 2018
As the largest among terrestrial ecosystems, forests are vital to maintaining ecosystem services and regulating regional climate. The area and spatial distribution of trees in densely forested areas have been focused on in the past few decades, while ...
Zhiqi Yang, Jinwei Dong, Yuanwei Qin, Wenjian Ni, Guosong Zhao, Wei Chen, Bangqian Chen, Weili Kou, Jie Wang, Xiangming Xiao   +9 more
doaj   +1 more source

Estimation and Compensation of the Ionospheric Path Delay Phase in PALSAR-3 and NISAR-L Interferograms

Atmosphere
Spatial and temporal variation in the free electron concentration in the ionosphere affects SAR interferograms, in particular at low radar frequencies.
Urs Wegmüller, Charles Werner, Othmar Frey, Christophe Magnard   +3 more
doaj   +1 more source

Mapping Annual Forest Cover in Sub-Humid and Semi-Arid Regions through Analysis of Landsat and PALSAR Imagery

Remote Sensing, 2016
Accurately mapping the spatial distribution of forests in sub-humid to semi-arid regions over time is important for forest management but a challenging task.
Yuanwei Qin, Xiangming Xiao, Jie Wang, Jinwei Dong, Kayti Ewing, Bruce Hoagland, Daniel J. Hough, Todd D. Fagin, Zhenhua Zou, George L. Geissler, George Z. Xian, Thomas R. Loveland   +11 more
doaj   +1 more source

PALSAR Calibration Results from Sweden

, 2008
As part of a worldwide calibration and validation campaign for the Japanese Advanced LandObserving Satellite a calibration analysis of the Phased Array type Polarimetric SAR (PALSAR)was performed.
Sandberg, Gustaf,, Ulander, Lars,, Eriksson, Leif,   +2 more
core   +1 more source

Extreme Learning Machine-based Crop Classification using ALOS/PALSAR Images [PDF]

, 2015
Classification maps are required for agricultural management and the estimation of agricultural disaster compensation. The extreme learning machine (ELM), a newly developed single hidden layer neural network is used as a supervised classifier for remote ...
Kobayashi, Nobuyuki, Sonobe, Rei, Wang, Xiufeng, Tani, Hiroshi, Kojima, Yasuhito   +4 more
core   +1 more source

Assessment of PALSAR ScanSAR calibration and impacts for wetland applications

, 2007
ALOS PI proposal 217, titled A Study of Tropical Wetlands dynamics by PALSAR and AVNIR-2 , is set out to assess the utility of ALOS AVNIR-2 and PALSAR ScanSAR data for characterization of the temporal and spatial properties of regional-scale inundation ...
ROSENQVIST Ake
core   +2 more sources

The Penetration Depth Derived from the Synthesis of ALOS/PALSAR InSAR Data and ASTER GDEM for the Mapping of Forest Biomass

Remote Sensing, 2014
The Global Digital Elevation Model produced from stereo images of Advanced Spaceborne Thermal Emission and Reflection Radiometer data (ASTER GDEM) covers land surfaces between latitudes of 83°N and 83°S.
Wenjian Ni, Zhiyu Zhang, Guoqing Sun, Zhifeng Guo, Yating He   +4 more
doaj   +1 more source