Results 11 to 20 of about 20,737 (267)

Land Use/Land Cover Changes Impact on Groundwater Level and Quality in the Northern Part of the United Arab Emirates

open access: yesRemote Sensing, 2020
This study aims to develop an integrated approach for mapping and monitoring land use/land cover (LULC) changes and to investigate the impacts of LULC changes and population growth on groundwater level and quality using Landsat images and hydrological ...
Samy Elmahdy, Mohamed Mohamed, Tarig Ali
doaj   +1 more source

GIS MAPPING OF BIR LEVELS AROUND FOSSIL FUEL AND GAS DISPENSING STATIONS AND ASSESSMENT OF THEIR RADIOLOGICAL RISK IMPLICATIONS [PDF]

open access: yesGeological Behavior, 2020
The assessment of terrestrial background ionizing radiation levels within fossil fuel and gas dispensing environments to evaluate the radiological risk around Warri metropolis has been conducted using a digilert 200 Nuclear Radiation monitor meter and a ...
Agbalagba E. O   +2 more
doaj   +1 more source

ISSUES OF GEOGRAPHIC INFORMATION SYSTEMS AND THEMATIC MAPPING APPLICATION TO ANALYSIS OF EPIDEMIOLOGICAL SITUATION IN LARGE CITIES [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2021
The paper we summarizes and discusses experience of medical statistics data processing and mapping, gained in 2019–2020 in the frames of study devoted to the tuberculosis infection mapping.
I. Kuznetsov   +5 more
doaj   +1 more source

Remote Thermal Water Leakage Sensor With a Laser Communication System

open access: yesIEEE Access, 2020
The change in the temperature of an underground water pipeline and its surrounding environment caused by a leakage has been detected by a variety of devices.
Ameen Awwad   +4 more
doaj   +1 more source

Regional Mapping of Groundwater Potential in Ar Rub Al Khali, Arabian Peninsula Using the Classification and Regression Trees Model

open access: yesRemote Sensing, 2021
Mapping of groundwater potential in remote arid and semi-arid regions underneath sand sheets over a very regional scale is a challenge and requires an accurate classifier.
Samy Elmahdy, Tarig Ali, Mohamed Mohamed
doaj   +1 more source

A Combination of Genetic Algorithm and Particle Swarm Optimization for Vehicle Routing Problem with Time Windows

open access: yesSensors, 2015
A combination of genetic algorithm and particle swarm optimization (PSO) for vehicle routing problems with time windows (VRPTW) is proposed in this paper.
Sheng-Hua Xu   +4 more
doaj   +1 more source

Intra-annual land cover mapping and dynamics analysis with dense satellite image time series: a spatiotemporal cube based spatiotemporal contextual method

open access: yesGIScience & Remote Sensing, 2021
Land covers provide essential information for understanding and detecting ecosystem, resources, and environmental dynamics. However, they are generally mapped at coarser temporal scales to study the inter-annual changes, while scant attention has been ...
Wenqiang Xi   +4 more
doaj   +1 more source

A Geographically Temporal Weighted Regression Approach with Travel Distance for House Price Estimation

open access: yesEntropy, 2016
Previous studies have demonstrated that non-Euclidean distance metrics can improve model fit in the geographically weighted regression (GWR) model. However, the GWR model often considers spatial nonstationarity and does not address variations in local ...
Jiping Liu   +5 more
doaj   +1 more source

Spatial Mismatch between the Supply and Demand of Urban Leisure Services with Multisource Open Data

open access: yesISPRS International Journal of Geo-Information, 2020
Understanding the balance between the supply and demand of leisure services (LSs) in urban areas can benefit urban spatial planning and improve the quality of life of residents.
Yue Deng   +6 more
doaj   +1 more source

APPLIED GEOSPATIAL EDUCATION: ACQUISITION AND PROCESSING OF HIGH RESOLUTION AIRBORNE LIDAR AND ORTHOIMAGES FOR THE GREAT SMOKY MOUNTAINS NATIONAL PARK, SOUTHEASTERN UNITED STATES [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
In an innovative collaboration between government, university and private industry, researchers at the University of Georgia and Gainesville State College are collaborating with Photo Science, Inc.
T. R. Jordan   +3 more
doaj   +1 more source

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