نتایج جستجو برای: land sat satellite images dated 1988
تعداد نتایج: 493987 فیلتر نتایج به سال:
High spatiotemporal resolution satellite imagery is useful for natural resource management and monitoring for land-use and land-cover change and ecosystem dynamics. However, acquisitions from a single satellite can be limited, due to trade-offs in either spatial or temporal resolution. The spatial and temporal adaptive reflectance fusion model (STARFM) and the enhanced STARFM (ESTARFM) were dev...
aeolian process and subsequently soil erosion are key factors in dryland environments. such phenomena are related not only to geoecological factors (lithology, topography, and climatology) but also to land-use and plant cover changes. formation of new sand dunes in damghan explains the development of human activities over the past. the aim of this study is to explain the land use changes and th...
1- Introduction Nowadays identification of the process of land use change and its effective factors are considered as the important issues of urban planning. Among the factors influencing land use change, demographic factors are the most important and they are overshadowed by other factors. This research deals with the effects of migration on land use change in Islamshahr City, aiming at find...
Introduction: Population growth has increased the pressure on natural environment, and unsustainable exploitation and the land use changes have damaged ecosystems. Consequently the need for food and water has led humans to devote more land to cultivate and use it under his control. Indeed, remote sensing satellites are the most common source of data for identifying, quantifying and mapping for ...
Since the mid 1980s an European Land Cover dataset has been regularly produced for land cover changes, land cover map (CORINE), high resolution forest layer and built-up areas including soil sealing. Within the GMES (Global Monitoring for Environment and Security) Fast Track Land Service 2006-2008 a new dataset of orthorectified satellite images has to be produced covering the EU25 and neighbou...
This study analyzes the characteristics of land use/land cover change in Jordan’s Irbid governorate, 1984–2018, and predicts future land use/land cover for 2030 and 2050 using a cellular automata-Markov model. The results inform planners and decision makers of past and current spatial dynamics of land use/land cover change and predicted urban expansion, for a better understanding and successful...
The aim of this study is to develop automatic road extraction algorithm in satellite images. As roads have different width and surface material characteristics in urban and rural areas, a modular approach for road extraction algorithm is desired. In this study, edge detection, segmentation, clustering and vegetation and land cover analyses are used. In order to combine the results of different ...
A major satellite DNA sequence was isolated from the cat genome and its sequencing data revealed homology to the FA-SAT family. In situ hybridization of the cat satellite DNA and telomeric sequences to cat chromosomes, together with staining of constitutive heterochromatin, allowed the physical mapping of the FA-SAT sequences, and also an overall constitutive heterochromatin study in cat chromo...
X-SAT is a mini-satellite developed by the Satellite Engineering Centre of the Nanyang Technological University at Singapore. The focus of the technologydriven mission is the high-resolution remote sensing of the Southeast Asian region for environmental monitoring. To achieve the ambitious mission objectives, the GPS-based X-SAT Navigation System (XNS) will provide high-precision onboard orbit ...
This paper describes the first investigations carried out at ETH Zurich on the very-high resolution optical satellite sensor WorldView-1. The dataset includes a stereopair acquired in 2007 over Morrison, Colorado, USA. The pair consists of a quasi-nadir scene with mean GSD close to 51cm and an off-nadir scene, with GSD up to 73cm. We show our first results of exploiting Digital Surface Modeling...
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