搜索结果: 1-15 共查到“测绘科学技术 Dynamics”相关记录51条 . 查询时间(0.152 秒)
4D-SFM PHOTOGRAMMETRY FOR MONITORING SEDIMENT DYNAMICS IN A DEBRIS-FLOW CATCHMENT: SOFTWARE TESTING AND RESULTS COMPARISON
4D-SfM Photogrammetry Sediment dynamics monitoring Software comparison Debris flow hazard
2018/6/4
In recent years, the combination of Structure-from-Motion (SfM) algorithms and UAV-based aerial images has revolutionised 3D topographic surveys for natural environment monitoring, offering low-cost, ...
MONITORING LAND USE DYNAMICS OF PERI-URBAN AGRICULTUTRE IN CENTRAL KENYA WITH RAPIDEYE SATELLITE IMAGERY
peri-urban Agriculture Global South sub-saharan Africa urban land use dynamics RapidEye
2016/12/1
The poster submitted to the ISPRS Congress 2016 in Prague illustrates the concept behind the research project in its initial stage. The project concerns recent dynamics of urban and peri-urban agricul...
URBAN MORPHOLOGICAL DYNAMICS IN SANTIAGO (CHILE):PROPOSING SUSTAINABLE INDICATORS FROM REMOTE SENSING
Urban structure type V-I-S model spectral unmixing sustainable indicators
2016/12/1
Latin America is one of the world’s most urbanised regions, with more than 80% of inhabitants living in urban areas and over 50 cities with at least 1 million inhabitants. The concept of urban structu...
INTER-SEASONAL DYNAMICS OF VEGETATION COVER AND SURFACE TEMPERATURE DISTRIBUTION:A CASE STUDY OF ONDO STATE,NIGERIA
Vegetation Cover Ondo State Surface Temperature Seasonal Dynamics LST NDVI
2016/12/1
This study employs Landsat ETM+ satellite imagery to access the inter-seasonal variations of Surface Temperature and Vegetation cover in Ondo State in 2013. Also, air temperature data for year 2013 ac...
MONITORING LAND COVER DYNAMICS AT VARYING SPATIAL SCALES USING HIGH TO VERY HIGH RESOLUTION OPTICAL IMAGERY
Land Cover Agriculture Optical High Resolution
2016/12/1
Activities have focused on using the Landsat time-series and Sentinel-2 datasets to monitor land cover dynamics across the United Kingdom, with mapping of specific areas including missions such as Wor...
USE OF A MULTISPECTRAL UAV PHOTOGRAMMETRY FOR DETECTION AND TRACKING OF FOREST DISTURBANCE DYNAMICS
UAV Photogrammetry Multispectral Sensor Forest Disturbance Vegetation Indices Change Detection
2016/11/30
This study presents a new methodological approach for assessment of spatial and qualitative aspects of forest disturbance based on the use of multispectral imaging camera with the UAV photogrammetry. ...
MAPPING DISTURBANCE DYNAMICS IN WET SCLEROPHYLL FORESTS USING TIME SERIES LANDSAT
forest disturbance Central Highlands open-source random forests timber harvesting fire
2016/11/30
In this study, we characterised the temporal-spectral patterns associated with identifying acute-severity disturbances and low-severity disturbances between 1985 and 2011 with the objective to test wh...
SPATIOTEMPORAL DYNAMICS OF SURFACE WATER EXTENT FROM THREE DECADES OF SEASONALLY CONTINUOUS LANDSAT TIME SERIES AT SUBCONTINENTAL SCALE
Landsat time-series seasonally continuous surface water dynamics flooding dynamics Murray-Darling Basin Australia competing water demands drought random forest long term trends water river basin water management
2016/11/30
Surface water is a critical resource in semi-arid areas. The Murray-Darling Basin (MDB) of Australia, one of the largest semi-arid basins in the world is aiming to set a worldwide example of how to ba...
MASS BALANCE CHANGES AND ICE DYNAMICS OF GREENLAND AND ANTARCTIC ICE SHEETS FROM LASER ALTIMETRY
Laser Atimetry Surface Elevation Changes Greenland Antarctica Ice Sheet Mass Balance Sea-Level Rise
2016/11/30
During the past few decades the Greenland and Antarctic ice sheets have lost ice at accelerating rates, caused by increasing surface temperature. The melting of the two big ice sheets has a big impact...
LONG-TERM MONITORING OF WATER DYNAMICS IN THE SAHEL REGION USING THE MULTI-SAR-SYSTEM
SAR Geocoding Kennaugh Sahel Region Water Dynamics Long-term Monitoring
2016/11/30
Fresh water is a scarce resource in the West-African Sahel region, seasonally influenced by droughts and floods. Particularly in terms of climate change, the importance of wetlands increases for flora...
MONITORING TREE POPULATION DYNAMICS IN ARID ZONE THROUGH MULTIPLE TEMPORAL SCALES:INTEGRATION OF SPATIAL ANALYSIS,CHANGE DETECTION AND FIELD LONG TERM MONITORING
Spatial analysis Change detection Long-term monitoring Arid Acacia trees Remote sensing
2016/11/23
High mortality rates and lack of recruitment in the acacia populations throughout the Negev Desert and the Arava rift valley of Israel have been reported in previous studies. However, it is difficult ...
MODELING URBAN DYNAMICS USING RANDOM FOREST: IMPLEMENTING ROC AND TOC FOR MODEL EVALUATION
Random Forest Urban Growth Modelling Relative Operating Characteristics
2016/7/8
The importance of spatial accuracy of land use/cover change maps necessitates the use of high performance models. To reach this goal, calibrating machine learning (ML) approaches to model land use/cov...
The determination of the spatial extent of geo-objects is generally approached through the boundaries or more precisely through the position of the boundary points. The analysis of the geometric uncer...
High resolution digital terrain models of shallow lake basins - Towards modelling dynamics of sedimentation for multithematic ecosystems research
High resolution digital terrain models shallow lake basins Towards modelling dynamics sedimentation multithematic ecosystems research
2016/5/20
Research on GIS applications in the real world context has to be strengthened besides developing GIS application software itself. An ecologically important field of applications is the integration of ...
MONITORING LANDSCAPE DYNAMICS AND CONDITIONS OF NATURAL RESOURCES WITHIN AND ADJACENT TO PROTECTED AREAS
Remote sensing Land cover Inventory Monitoring Resources Management
2016/1/3
The challenges of managing natural resources of protected areas not only come from the inside of the protected boundaries, but also from the surrounding territories because most of protected lands are...