遥感与地理信息系统学报

抽象的

Land Monitoring By Radar and Optical Remote Sensing

Shufen Pan

The abundance of correlative information accessible from far off detecting missions can massively help endeavors towards precisely deciding area use and evaluating inconspicuous changes in land use the board or power. This examination investigated 112 examinations on intertwining optical and radar information, which offer exceptional ghostly and primary data, for land cover and use appraisals. In opposition to our assumptions, just 50 investigations explicitly tended to land use, and five surveyed land use changes, while the larger part tended to land cover. The benefits of combination for land use examination were surveyed in 32 investigations, and a larger part (28 examinations) reasoned that combination further developed outcomes contrasted with utilizing single information sources. Study locales were little, oftentimes 300–3000 km 2 or individual plots, with an absence of examination of results and correctnesses across destinations. Albeit an assortment of combination strategies were utilized, prearrangement combination followed by pixel-level contributions to conventional characterization calculations were normal, however frequently without a substantial reasoning on the pertinence of the strategy to the land use subject being contemplated. Progress in this field of exploration requires the improvement of powerful methods of combination to plan the complexities of land uses and changes in that and efficient techniques to evaluate the advantages of combination over bigger spatial scales.