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Aq’Qala county has been categorized as a high flood-prone area in Iran, and faced many major flood events in last two decades (e.g. in 2001, 2002, 2007, 2012, 2017, and 2019). The main aim of the current study is to produce and validate flood vulnerability rate (FVR) maps of this area relying on geospatial data. Vulnerability criteria were...

Climate change and overpopulation have led to an increase in water demands worldwide. As a result, land subsidence due to groundwater extraction and water level decline is causing damage to communities in arid and semiarid regions. The agricultural plain of Samalghan in Iran has recently experienced wide areas of land subsidence, which is...

Soil moisture is a critical component for Earth science studies, and Synthetic Aperture Radar (SAR) data have high potential for retrieving soil moisture using backscattering models. In this study, polarimetric SAR (PALSAR: Phased Array type L-band Synthetic Aperture Radar) data and polarimetric decompositions including span, entropy/H/alpha, and...

IGES Joint Crediting Mechanism (JCM) Database provides detailed information on the JCM methodologies, projects, and JCM feasibility studies to be utilized for research and development of JCM project. The JCM is being implemented under bilateral cooperation between Japan and 29 partner countries: Mongolia, Bangladesh, Ethiopia, Kenya, Maldives, Viet...

In this study, we measured and characterized the relative dielectric constant of mineral soils over the 0.3–3.0 frequency range, and compared our measurements with values of three dielectric constant simulation models (the Wang, Dobson, and Mironov models). The interrelationship between land cover and soil texture with respect to the dielectric...

Generally, the characterization of land surface roughness is obtained from the analysis of height variations observed along transects (e.g., root mean square (RMS) height, correlation length, and autocorrelation function). These surface roughness measurements are then used as inputs for surface dynamics modeling, e.g., for soil erosion modeling...

This paper presents a collective sensing approach that integrates imperfect Volunteered Geographic Information (VGI) obtained through Citizen Science (CS) tree mapping projects with very high resolution (VHR) optical remotely sensed data for low-cost, fine-scale, and accurate mapping of trees in urban orchards. To this end, an individual tree crown...

The West Asia and North African (WANA) countries are projected to undergo a range of climate change impacts that can put even greater pressure on the already over utilized water and land resources in the region calling for an urgent intervention for climate change risk reduction in these countries. Though WANA appears to be a rich region from the...

インドの外交・安全保障政策やエネルギー・気候変動政策に影響力を持つ著名なシンクタンクであるオブザーバー・リサーチ・ファウンデーション（ORF）に招待され、アラブ首長国連邦（UAE）のアブダビエネルギーセンターにおいて11月12日に開催された「From G20 to COP28: Energy, Climate and Growth」に出席した。 この会議は、今年の20カ国・地域首脳会議（G20）ホスト国であるインドがその成功を広く内外に示し、国連気候変動枠組条約第28回締約国会議（COP28）の開催を控えた議長国であるUAEへとバトンを渡す意味を持っていた。 今年の11月30日から開催されるCOP28において、産油国のUAEが議長国としてリーダーシップを発揮してどこまで世界の脱炭素を進展させ...

From 27-28 February 2019, in Kathmandu, Nepal, a subregional science-policy dialogue for South Asia and West Asia on the IPBES Asia-Pacific Regional Assessment was held in Park Village Hotel, Kathmandu, Nepal, as a part of the “Capacity Building Project for the Implementation of IPBES Asia-Pacific Regional Assessment” funded by the Japan...