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AN OPEN SOURCE APPROACH FOR THE INTRINSIC ASSESSMENT OF THE TEMPORAL ACCURACY, UP-TO-DATENESS AND LINEAGE OF OPENSTREETMAP
Data Quality Lineage Open Source OpenStreetMap Temporal Accuracy Thematic Accuracy Up-to-dateness
2018/11/8
OpenStreetMap (OSM) is the most popular crowdsourced geographic information project. The main factor that still limits the practical use of OSM is the lack of quality assurance. OSM quality assessment...
STUDY ON ECOLOGICAL RISK ASSESSMENT OF GUANGXI COASTAL ZONE BASED ON 3S TECHNOLOGY
Coastal Zone Landscape Pattern Ecological Risk Remote Sensing Geographic Information System
2018/5/17
This paper takes Guangxi coastal zone as the study area, following the standards of land use type, divides the coastal zone of ecological landscape into seven kinds of natural wetland landscape types ...
ASSESSMENT OF IMPACT ON LANDSCAPE DEVELOPMENT TO ECOLOGICAL SERVICE VALUES AND GOODS IN MALAYSIA LOWLAND TROPICAL RAINFOREST USING INTEGRATED REMOTE SENSING AND GIS TECHNIQUES
landscape mapping rapid assessment tropical rain forest Remote Sensing GIS sustainability environmental change
2016/1/3
Amongst the impacts of converting forest to agricultural activities is the degradation of ecology service values and goods (ESVG). Impacts on ESVG can be devastating in environmental,biological, and s...
ASSESSMENT OF SOIL EROSION RISK IN NORTHERN THAILAND
Northern Thailand Soil Erosion Risk Evaluation Land Cover IMAGE\LDM
2015/12/28
Soil erosion is very serious in Thailand especially in northern Thailand. Important on-side effects of soil erosion may be the decline in qualities of soil related to agricultural productivity. So it ...
A SDSS-BASED EARTHQUAKE DAMAGE ASSESSMENT FOR EMERGENCY RESPONSE:CASE STUDY IN BAM
SDSS Earthquake Image Classification Rescue Management
2015/12/28
Lack of reliable, up to date, available and qualified geospatial data is one of the problems we are faced to have a proper response to natural disasters. On the other hand, complexity of earthquake ph...
AN ECOSYSTEM SERVICE VALUE ASSESSMENT OF LAND-USE CHANGE ON POYANG LAKE BASIN UNDER 3S TECHNOLOGY,CHINA
GIS Landuse Image Understanding Spatical Analysis Ecosystem Environment Ecosystem Services
2015/12/28
Ecosystem services generally mean the processes that natural ecosystems support and maintain humans 鈥 survival and the living conditions. As the global problems of ecosystems and environment, such as ...
A RESARCH ON THE ASSESSMENT OF REGIONAL ECOLOGICAL SECURITY BASED ON GIS&RS
Ecological security Spatial-temporal change Assessment RS GIS
2015/12/23
Ecological security is an important basis of the entire human security system, the cornerstone for human survival. The assessment of ecological security is crucial for making decisions to avoidecologi...
Risk Assessment and Mapping for Canlaon Volcano, Philippines
Hazards Risk Mapping Volcanoes Disaster GIS Spatial
2015/12/18
Risk assessment and mapping for Canlaon Volcano, Philippines is reported in this paper. Volcanic hazards in Canlaon Volcano affect the lives and properties within the vicinity. Thus, risk is present a...
Dom Quality Evaluation Based on Multi-Level Fuzzy Comprehensive Assessment of Entropy Weights
GIS Analysis Sampling Image Quality Entropy Weight
2015/12/18
With the development of RS technology, the evaluation of DOM becomes more important. Multi-level fuzzy comprehensive evaluation is the traditional method for DOM evaluation. But in the process of trad...
A WebGIS for Spatial Data Processing, Analysis and Distribution for Coastal Investigation and Assessment (Mission 908) in Jiangsu, China
Coast Internet GIS Data Infrastructures Visualization Geographical Services
2015/12/17
In Section 1, the background of the research is introduced. This paper presents the results of efforts for the development and application of a web-based GIS, the Mission 908 WEBGIS, to support the co...
Creation of Cartographic Databases for Land Use Assessment and Management
Cartography Databases Surveying Software Mapping Analysis Land Use Management
2015/12/16
The cartographic tools have evolved with the time. Today the use of electronic devices and the communication means give cartographers infinite possibilities of a variety of maps. The aim of this work ...
GIS Approach for Assessment of Human Footprint and Land Management: an Example in the United Arab Emirates
Remote Sensing GIS Land Management UAE Human Footprint
2015/12/16
The main objective of this study was to build a spatial GIS database for land management on the AL Sammalyah Island. Twenty GIS layers were created to populate the database. GIS overlay analysis was a...
The Quality Assessment and Sampling Model for the Geological Spatial Data in China
Sampling Quality assessment Geological data Geographic information ISO standards
2015/12/3
The sampling inspection model proposed by this paper is the key for the quality inspection and assessment of geological data, which is based on the present standards, research findings, and the qualit...
Multi-hierarchical Quality Assessment of Geo-Spatial Data
Automation GIS Quality Road Extraction Structure Texture Updating
2015/12/3
In this paper we describe the analysis framework system GEOAIDA with view of an application for a versatile and efficient quality assessment of geodata. GEOAIDA allows to develop image analysis ...
Identification and Assessment of Factors of Forest Depletion in Brunei Darussalam
Forestry GIS Identification Change Detection Mapping Data mining SAR DEM/DTM
2015/12/2
In this paper we attempt to isolate spatially those factors responsible for forest degradation in Brunei Darussalam. While human activities are one of the deforestation forces, the degradation of fore...