نتایج جستجو برای: landsat8

تعداد نتایج: 121  

Journal: :Remote Sensing 2016
Bing Han Hubert Loisel Vincent Vantrepotte Xavier Mériaux Philippe Bryère Sylvain Ouillon David Dessailly Qianguo Xing Jianhua Zhu

Remote sensing of suspended particulate matter, SPM, from space has long been used to assess its spatio-temporal variability in various coastal areas. The associated algorithms were generally site specific or developed over a relatively narrow range of concentration, which make them inappropriate for global applications (or at least over broad SPM range). In the frame of the GlobCoast project, ...

2015
C. Barbosa R. Ferreira L. Carvalho F. Lopes J. Stech E. Alcantara

This work presents ongoing efforts and preliminary results for building a dataset that represents the first and most comprehensive bio-optical information available on Brazilian inland waters to support the development of remote sensing algorithms for monitoring aquatic systems. From 2012 to 2014 optical and limnological data was gathered along thirteen field campaigns in five Brazilian reservo...

Journal: :The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences 2022

Abstract. Orono-shima Island is a remote in the Tsushima Strait, it 4.3km around. Since ancient times, has been landmark when crossing from Korean Peninsula to Japanese archipelago via and Iki Island. However, large-scale ruins burial mounds are not known on until now. During my four years island, author walked all over island for terrain survey. As result, discovered topography like keyhole to...

Journal: :Remote Sensing 2023

Forest fires are one of the most severe natural disasters facing global ecosystems, as they have a significant impact on ecological security and social development. As remote sensing technology has developed, burned areas can now be quickly extracted to support fire monitoring post-disaster recovery. This study focused forest that occurred in Chongqing, China, August 2022. The area was identifi...

Journal: :International Journal of Geosciences 2023

Land Use/Cover Change (LUCC) has an impact on AOD to a certain extent. It is of great significance for ecological environment and public health pay attention explore the response mechanism LUCC. Based remote sensing satellite technology, using landsat8 MODIS data, this paper analyzes correlation between different land use types in Beibu Gulf coastal urban belt under background wide-scale region...

Journal: :Sustainability 2023

Human activities have always depended on nature, and forests are an important part of this; the determination improvement forest quality is therefore highly significant. Currently, domestic foreign research focuses current states forests. We propose a new direction based future states. By referencing analyzing standards experts institutions, concept model for calculating growth potential were c...

2016
J. K. Gilbertson A. Van Niekerk

This study examined the value of automated and manual feature selection, when applied to machine learning and object-based image analysis (OBIA), for the differentiation of crops in a Mediterranean climate. Five Landsat8 images covering the phenological stages of seven major crops types in the study area (Cape Winelands, South Africa) were acquired and processed. A statistical image fusion tech...

2016
J. L. Kong T. Xian J. Yang L. Chen X. T. Yang

The coal development zone of Northern Shaanxi, China is one of the eight largest coal mines in the world, also the national energy and chemical bases. However, the coal mining leads to ground surface deformation and previous studies show that in collapse fissure zone soil water losses almost 50% compared with non-fissure zone. The main objective of this study is to develop a retrieval model tha...

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