Yazar "Yildirim, H" seçeneğine göre listele

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    Change detection using the temporal, spatial and spectral dimensions through satellite images
    (IEEE, 2005) Sahin, E; Boran, G; Yildirim, H
    In recent years, remote sensing and much related technology of geographical information systems are jointly used for many purposes and application projects. Besides a short review of technologies used, present study aims to present early preparation for a local study at Canakkale city for better municipal services and administration. Main aims have been, on one hand, to exemplify the spatial, temporal and spectral dimensions the remote sensing images from different platforms can provide and on the other, use them to show the potentialities of such multi-color/multi-temporal images with different spatial resolutions, to quickly identify changes. in the nearby environment and within the Canakkale city boundaries [3].
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    GIS database of Yesihrmak Watershed Development Project
    (IEEE, 2003) Yildirim, H; Özel, ME
    A brief account of Yesilirmak Watershed Provinces Geographic Information System (YWG) is summarized and recently prepared Hamamozu microcacthment rehabilitation program's preparations carried out by Amasya Project Office is summarized.
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    Meteorite impact crater inventory of Turkey
    (IEEE, 2005) Kocahan, Ö; Özel, ME; Yildirim, H; Sengül, E; Özmaya, S
    Interplanetary space is populated with large numbers of small bodies known as meteorites, which are in orbits that can intersect those of planets and moons. Therefore, individual impacts appear on the surfaces of planetary bodies which are called impact craters. While impacting meteorites are useful to determine the early solar system processes, resultant impact craters are useful to determine the ages of the surfaces and related erosional effects on the body. At Canakkale Onsekiz Mart University (COMU) we aim to create a Meteorite Impact Craters Data Base for Turkey in a computer environment. The data base will be reachable through internet for wider use. Preparations and actions for this exercise are described. For the initial phase, we have collected related information through literature including papers and thesis on the topic. We classify our present efforts for acquisition of information along the following lines on: 1) Meteorites which have fallen down to Turkey recently i.e., Antalya meteorite in 2001, Afyon meteorite in 2002 and others; 2) Meteorites and impact craters, mentioned in historical records, i.e., Gallipoli meteorite (467 BC); Birgi meteorite (1335 AD) etc.; 3) Candidate impact craters in Turkey which were studied earlier [1], [2]; 4) Other events that can be recognized through satellite images and maps; 5) New events during our preparations. Present candidates and established structures will be investigated and relevant data will be used for the aimed data base.
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    Monitoring the after-effects of forest fires by satellite data
    (IEEE, 2005) Yildirim, H; Özdemir, M; Güre, M; Ugurlu, B; Özel, ME
    Forest fires in the Mediterranean regions are a major environmental problem. These fires put at risk not only human life but also sustainability of forests and other woodlands in general. The regeneration of vegetation after fires is a slow process. During this time, conditions are favorable for the erosion and soil loss processes. Hence, it is important to monitor assessment of the total surface burned, the type of land and land cover affected to estimate the full damage and to follow closely the regeneration of the plant after fire.
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    Remote Sensing and GIS programs & projects in Turkey
    (IEEE, 2003) Özel, ME; Yildirim, H
    A summary of Remote Sensing and GIS programs and projects conducted by UBITEK and MRC of TUBITAK between 1991-2001 is given.
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    Watersheds as a sustainable development tool
    (IEEE, 2003) Özel, ME; Yildirim, H
    In Turkey, a number of watershed-based development and application projects have been under consideration and are at various phases of development. Watersheds are gaining critical roles for sustainable development programs all over the world. In this respect, it will be useful to look at the entire watershed boundaries of Turkey. The list taken from State Hydrolics Works of Turkey (DSI), contains 26 watersheds. In this communication we review the very basic information about Turkish Watersheds and discuss some criteria about their classification based on EU Land-Water-MED Program.