نتایج جستجو برای: aerial photograph
تعداد نتایج: 43459 فیلتر نتایج به سال:
The essential roles of trees in controlling the local climatic variation, such as air moisture, are still interesting to observe. Therefore, this study must deliver knowledge benefits growing and enhance people's awareness climate change adaptation. Here, analysis requires several data fields hemispherical photography, an aerial photograph a UAV, temperature collected using wet dry bulb thermom...
The paper considers the possibility of using visualization when preparing a task for frontal surface examination hazardous industrial facilities unmanned aerial vehicles. research is based on results an experimental survey buildings and structures large metallurgical enterprise in Russia. As initial data, photographs obtained camera vehicle their drawings were used. When building 3D model, capa...
This paper reports regional drainage patterns observed during the development of surface drainage maps from aerial photographs of sev eral counties in Indiana. This drainage mapping is a part of the current highway research program at Purdue University. The airphotos used in this work were taken during 1937-1943 in connection with the United States Department of Agriculture map program. The pr...
Field observations, aerial photographs and satellite images are used to reconstruct the past surges of Lowell Glacier, Yukon, Canada, since 1948 based on the timing of terminus advances. A total of five surges occurred over this time, each with a duration of 1–2 years. The time between successive surges ranged from 12 to 20 years, and appears to have been shortening over time. The relatively sh...
For decades, aerial photographs have been the only source of very high spatial resolution data for coral reef researchers. With the launch of the Ikonos satellite in 1999, imagery with a 4 m spatial resolution in multispectral mode can now be combined with historical aerial photographs for change detection. We demonstrate this potential by combining two aerial photographs (1981 and 1992) and an...
The integrated use of remotely sensed data and GIS to monitor a rapid recent delta formation was undertaken in the Tacarigua Lagoon, a mangrove coastal protected wetland in the north-central coast of Venezuela. Recently, the resource value of coastal wetlands such as coastal lagoons and deltas, has brought about a need to protect and conserve these ecosystems. To that end, valuable resources su...
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