Results 11 to 20 of about 176,548,671 (230)

MONITORING OF FLUVIAL TRANSPORT IN THE MOUNTAIN RIVER BED USING TERRESTRIAL LASER SCANNING [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
The fluvial transport is the surface process that has a strong impact on the topography changes, especially in mountain areas. Traditional hydrological measurements usually give a good understanding of the river flow, however, the information of the ...
G. Jozkow, A. Borkowski, M. Kasprzak
doaj   +1 more source

Surface Elevation Changes Estimation Underneath Mangrove Canopy Using SNERL Filtering Algorithm and DoD Technique on UAV-Derived DSM Data

ISPRS International Journal of Geo-Information, 2021
Estimating surface elevation changes in mangrove forests requires a technique to filter the mangrove canopy and quantify the changes underneath. Hence, this study estimates surface elevation changes underneath the mangrove canopy through vegetation ...
Norhafizi Mohamad, Anuar Ahmad, Mohd Faisal Abdul Khanan, Ami Hassan Md Din   +3 more
doaj   +1 more source

A Short-Time Repeat TLS Survey to Estimate Rates of Glacier Retreat and Patterns of Forefield Development (Case Study: Scottbreen, SW Svalbard)

Resources, 2020
The study presents findings from comparative analyses of high-resolution differential digital elevation models (DEM of Difference—DoD) based on terrestrial laser scanning (TLS) surveys.
Waldemar Kociuba, Grzegorz Gajek, Łukasz Franczak   +2 more
doaj   +1 more source

Monitoring Extractive Activity-Induced Surface Subsidence in Highland and Alpine Opencast Coal Mining Areas with Multi-Source Data

Remote Sensing, 2022
Mining developments in alpine coal mining areas result in slow or rapid ground subsidence, which can lead to melting and collapse of permafrost. This paper integrated unmanned aerial vehicle (UAV) images and satellite-based SAR interferometry images to ...
Shuqing Wang, Zechao Bai, Yuepeng Lv, Wei Zhou   +3 more
doaj   +1 more source

Earmarks and the FY 2005 Defense Appropriations Act: a study of Congressional control of DoD [PDF]

, 2005
MBA Professional ReportThe purpose of this project was to analyze how Congress controls the Department of Defense (DOD) through the budget review process. The project looks at the Congressional marks made to the Defense Appropriations Act.
John J. Bergeron, Bergeron, John J.
core   +3 more sources

A COMPARATIVE ANALYSIS OF DOD AND FEDERAL NON-DOD COR COMPETENCIES [PDF]

, 2019
The purpose of this research is to analyze and measure the effectiveness of the guidance for identification, development, certification, and management of contracting officer’s representatives (CORs) within the Department of Defense (DoD) in comparison ...
Lee, Phillip, Keys, Bryan D., Johnson, Kiersten M.   +2 more
core   +2 more sources

Quantification and visualization of flood-induced morphological changes in meander structures by UAV-based monitoring

Engineering Science and Technology, an International Journal, 2022
River basins are one of the most dynamic terrains on Earth, therefore, river morphology should be monitored continuously and its effects on the environment (i.e. natural hazards) should be mapped whenever possible.
Semih Sami Akay, Orkan Özcan, Füsun Balık Şanlı   +2 more
doaj   +1 more source

Rapid Assessment of Deep Retrofit System Solutions to Improve Energy Efficiency in DoD Installations and Buildings [PDF]

, 2012
The paper describes the application of a methodology and tools for early assessment of integrated system solutions for deep retrofit with a potential of 30-50% energy reductions across large building portfolio as well as at an individual building scale ...
Otto, Kevin, Taylor, Russell D., Narayanan, Satish, Surana, Amit   +3 more
core   +1 more source

Quantitative Characterization of Coastal Cliff Retreat and Landslide Processes at Portonovo–Trave Cliffs (Conero, Ancona, Italy) Using Multi-Source Remote Sensing Data

Remote Sensing, 2023
The integration of multiple data sources, including satellite imagery, aerial photography, and ground-based measurements, represents an important development in the study of landslide processes.
Nicola Fullin, Enrico Duo, Stefano Fabbri, Mirko Francioni, Monica Ghirotti, Paolo Ciavola   +5 more
doaj   +1 more source

Development of TanDEM-X DEM Calibration Concept [PDF]

, 2007
The TanDEM-X mission comprises two fully active synthetic aperture radar satellites operating in X-band. The primary goal of this mission is the derivation of a high-precision global Digital Elevation Model (DEM) according to HRTI level 3 quality.
J. Hueso Gonzalez, H. Fiedler, M. Bachmann, M. Zink, Fiedler, Hauke, Krieger, Gerhard, Hueso Gonzalez, Jaime, Huber, Sigurd, Zink, Manfred, S. Huber, B. Wessel, G. Krieger, Bachmann, Markus, Wessel, Birgit   +13 more
core   +1 more source