Method for determining source of coastal tidal flat silt by utilizing Nd-Sr isotopic tracing
An isotope tracing and isotope technology, applied in the field of helping coastal tidal flat reclamation to determine the source of coastal tidal mud and sand, and can solve problems such as weak
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[0029] In order to express the present invention more clearly, the present invention will be further described below in conjunction with the accompanying drawings.
[0030] see figure 1 , the method provided by the invention utilizing Nd-Sr isotope tracer to determine the source of beach sediment, comprises the following steps:
[0031] Step 1, collect multiple surface sediment samples in the potential source area of sediment;
[0032] Step 2, collect multiple surface sediment samples in the coastal sandy mud in the target area;
[0033] Step 3, put the sample into a beaker, add deionized water, stir, and ultrasonically in a water bath for 10 minutes, then centrifuge, and pour the supernatant to remove the salt;
[0034] Step 4, removing organic matter in the sample;
[0035] Step 5, further removing secondary carbonate in the sample;
[0036] Step 6, the processed sample is dried and ground to below 200 mesh;
[0037] Step 7, take a sample and carry out an isotope anal...
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