نتایج جستجو برای: high moisture sensitivity
تعداد نتایج: 2328200 فیلتر نتایج به سال:
Novel humidity sensors based on semiconducting metal oxides with good humidity-sensing properties have attracted extensive attention, which due to their high sensitivity at room temperature, safety, low hysteresis, and long-term stability. As a typical p-type semiconductor oxide, CuO is considered be high-performance moisture-sensitive material; however, the development of production, complex w...
Simulation of water and salt transfer in soil is very effective in managing optimal water and fertilizer use in the field. In this study, the HYDRUS-1D model was used to simulate the transfer of water and bromide in a laboratory column of soil with clay loam texture. Soil hydraulic parameters (including air entry point) α, (saturated hydraulic conductivity) ks, (residual moisture content) θr (s...
Soil moisture information is of critical importance to real-world applications such as agriculture, water resource management, flood, fire and landslide prediction, mobility, soil hydraulic parameter estimation etc. Many of these applications require soil moisture information at high resolution. While this may be estimated from land surface models, the predictions are often poor due to inadequa...
Heavy precipitation affected Central Europe inMay/June 2013, triggering damaging floods both on the Danube and the Elbe rivers. Based on amodelling approach with COSMO-CLM,moisture fluxes, backward trajectories, cyclone tracks and precipitation fields are evaluated for the relevant time period 30May 2 June 2013.We identify potential moisture sources and quantify their contribution to the flood ...
The purpose of this study is to test the ability of the Land Surface Model SECHIBA to simulate water budget and particularly soil moisture at two different scales: regional and local. The model is forced by NLDAS data set at 1/8th degree resolution over the 1997–1999 period. SECHIBA gives satisfying results in terms of evapotranspiration and runoff over the US compared with four other land surf...
Ecosystem carbon losses from soil microbial respiration are a key component of global carbon cycling, resulting in the transfer of 40-70 Pg carbon from soil to the atmosphere each year. Because these microbial processes can feed back to climate change, understanding respiration responses to environmental factors is necessary for improved projections. We focus on respiration responses to soil mo...
fluorescence chemical sensors for the highly sensitive and selective determination of pb2+ , hg2+, co2+ and fe3+ ions in aqueous solutions are described. the ion sensing system was prepared by incorporating lipophilic ligand (l) as a neutral ion-selective fluoroionophore in the plasticized pvc membrane containing sodium tetraphenylborate or potasium tetrakis (p-chlorophenyl) borate as a liphoph...
Satellite microwave and infrared instruments sensitive to upper-tropospheric water vapor (UTWV) are compared using both simulated and observed cloud-cleared brightness temperatures (Tb’s). To filter out cloudy scenes, a cloud detection algorithm is developed for the Special Sensor Microwave/Temperature-2 (SSM/T2 or T2) data using the 92and 150-GHz window channels. An analysis of the effect of c...
This article presents a time domain transmissometry soil moisture sensor (TDT-SMS) using dispersive phase shifter (DPS), consisting of an interdigital capacitor that is loaded with stacked four-turn complementary spiral resonator (S4-CSR). Soil measurement technique the proposed based on complex permittivity sensing property DPS in domain. relative which varies its content measured by burying u...
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