نتایج جستجو برای: evapotranspiration zone
تعداد نتایج: 117608 فیلتر نتایج به سال:
Models used for the remote estimation of evapotranspiration are evaluated using aircraft observations over two distinct vegetation regimes in southwestern Australia. Single-source models using an empirically determined excess resistance term performed better than a two-source model, which does not require such a parameterization. The mean absolute difference between measured and estimated value...
The current state of science and engineering related to analyzing wetlands overlooks the importance of transpiration and risks data misinterpretation. In response, we developed hydrologic and mass budgets for agricultural wetlands using electrical conductivity (EC) as a natural conservative tracer. We developed simple differential equations that quantify evaporation and transpiration rates usin...
-Evapotranspiration experts often need to make decisions relating to the precision of the results of various existing methods such as traditional and satellite methods. For these reasons a decision support system (EVA) is developed in order to provide evapotranspiration experts with a tool for evaluating the results of a variety of existing methods for estimating potential and real evapotranspi...
Abstract. The partitioning of water fluxes in the critical zone is great interest due to implications for understanding cycling and quantifying availability various ecosystem services. We used tracer-aided ecohydrological model EcH2O-iso use stable isotopes help evaluate water, energy, biomass dynamics at an intensively monitored study plot under two willow trees, a riparian species, Berlin, Ge...
[1] We analyze the propagation of daily fluctuations in rainfall and potential evapotranspiration to soil moisture dynamics, using a stochastic model that accounts for these two different forms of hydroclimatic variability. The pulsing, intermittent behavior of daily precipitation is described by a compound Poisson process that models the unpredictability of both frequency and amount of rainfal...
This study evaluates the performance of four evapotranspiration methods (Priestley-Taylor, Penman-Monteith, Hargreaves and Makkink) of differing complexity in a semiarid environment in north China. The results are compared to observed water vapour fluxes derived from eddy flux measurements. The analysis became necessary after discharge simulations using an automatically calibrated version of th...
The Everglades in south Florida is a marsh system where most of the time wet vegetated marshes and open water features prevail. Rainfall and evapotranspiration (ET) are the main parameters in the hydrology of the Everglades. The delicate balance between rainfall and evapotranspiration maintains the hydrology system in either a wet condition or dry condition. Based on a literature review of both...
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