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In China, the haze is breaking out, and it cannot be solved in a few decade years. In this paper, we used haze simulation laboratory, simulated the particulate concentration through the control experiment, and measured the soil reflectance under the different the particulate concentration. Then we analyzed the effect of different hazes on the different soil moisture reflectance: the reflectance is...
Soil water infiltration in unsaturated zone is an important part of the atmospheric water circulation, and is important to agriculture and movement of contaminant. Deficiency also exists in understanding the soil water movement in complicated environments because the rigorous survey and observation of the soil water movement is difficult. Soil water exists in different forms in soils, and whose physical...
Soil moisture is a highly variable component of soil, and plays an important role in materials and energy exchanges between earth and atmosphere. It is also the basic parameter of crop growing and crop yield forecast. With the features of observing large area synchronously, timely, and economically, remote sensing technique makes dynamic soil moisture monitoring possible. Soil moisture remote sensing...
Chiral pesticides are used widely in the world, and at present, older racemic products are being replaced by enantiopure products. Pesticides as xenobiotic released into environment impose a great stress on nontarget organisms. Traditionally it is a necessary procedure for pesticides to have a registration based on toxicological data from nontarget organism, but until now ecological risk assessment...
Polycyclic musks (PCMs), such as 7-acetyl-1,1,3,4-tetrahydronaphthalene (AHTN), which considered as emerging pollutants, were widely used in personal care products as fragrance additive. Eisenia foetida were exposed on contaminated filter paper by AHTN for 24 hours to detect the concentration of Glutathionein (GSH) and Metallothionein (MT). GSH and MT both enhanced in the low concentration AHTN exposure,...
Process-based terrestrial ecosystem models inevitably need model initialization and parameters specification. In this study, remotely sensed surface soil moisture derived from near infrared and shortwave infrared bands was assimilated in BEPS (Boreal Ecosystem Production Simulator) to initialize soil moisture in BEPS and fine-tune BEPS key parameters which are closely related to soil moisture estimation...
The objective of this paper is to analyze the albedo-NDVI spectral feature space to develope drought estimation methods using Landsat ETM+ imagery. A simple ratio and differences of surface albedo and normalized difference vegetation index (NDVI) are examined. The methods are compared against field measured soil moisture at Shunyi test site in Beijing, China. Results indicate that there are close...
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