Salinity Retrieval Method of Coastal Beach Based on Remote Sensing Satellite Images
A technology of remote sensing satellites and tidal flats, applied in the field of remote sensing, can solve problems such as inapplicability, non-openness, unfavorable extraction of tidal flat salt content, etc., and achieve the effects of improving collection efficiency, avoiding time-consuming and labor-consuming, and saving labor costs
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[0037] Embodiment 1: as Figure 1-6 As shown, the coastal beach salinity retrieval method based on remote sensing satellite images specifically includes the following steps:
[0038] S1: Select the data source and obtain the image data; at the same time obtain the sampled tidal flat salinity data in the area to be studied; the data source in the step S1 is the Landsat8 OLI remote sensing image; it can be directly obtained from the geospatial data cloud (http: / / www .gscloud.cn / ) download image data; Landsat8 OLI images cover 11 bands of data, land imager (OLI) includes 9 bands, thermal infrared sensor (TIRS) includes 2 thermal infrared bands; the principle of image data selection is that the image is clear No noise, less cloud cover, image imaging time and tidal flat sampling time as close as possible to ensure the best correspondence between the salinity of the sampling point and the spectrum on the image; The band introduction is shown in Table 1 below;
[0039] Table 1 Int...
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