Details
Evapotranspiration Over Heterogeneous Vegetated Surfaces
Models and ApplicationsSpringer Theses
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96,29 € |
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| Verlag: | Springer |
| Format: | |
| Veröffentl.: | 03.02.2015 |
| ISBN/EAN: | 9783662461730 |
| Sprache: | englisch |
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Beschreibungen
<p>The focus of this work is the development of models to estimate evapotranspiration (ET), investigating the partitioning between soil evaporation and plant transpiration at field and regional scales, and calculating ET over heterogeneous vegetated surfaces. Different algorithms with varying complexities as well as spatial and temporal resolutions are developed to estimate evapotranspiration from different data inputs. The author proposes a novel approach to estimate ET from remote sensing by exploiting the linkage between water and carbon cycles. At the field scale, a hybrid dual source model (H-D model) is proposed. It is verified with field observations over four different ecosystems and coupled with a soil water and heat transfer model, to simulate water and heat transfer in the soil-plant-atmosphere continuum. At the regional scale, a hybrid dual source scheme and trapezoid framework based ET model (HTEM), using remote sensing images is developed. This model is verified with data from the USA and China and the impact of agricultural water-saving on ET of different land use types is analyzed, in these chapters. The author discusses the potential of using a remote sensing ET model in the real management of water resources in a large irrigation district. This work would be of particular interest to any hydrologist or micro-meteorologist who works on ET estimation and it will also appeal to the ecologist who works on the coupled water and carbon cycles. Land evapotranspiration is an important research topic in hydrology, meteorology, ecology and agricultural sciences.<br>Dr. Yuting Yang works at the CSIRO Land and Water, Canberra, Australia. </p>
From the Contents: Comparison of dual source evapotranspiration models in estimating potential evaporation and transpiration partitioning.- A hybrid dual source model to estimate evapotranspiration in different ecosystems.
<p>The focus of this work is the development of models to estimate evapotranspiration (ET), investigating the partitioning between soil evaporation and plant transpiration at field and regional scales, and calculating ET over heterogeneous vegetated surfaces. Different algorithms with varying complexities as well as spatial and temporal resolutions are developed to estimate evapotranspiration from different data inputs. The author proposes a novel approach to estimate ET from remote sensing by exploiting the linkage between water and carbon cycles. At the field scale, a hybrid dual source model (H-D model) is proposed. It is verified with field observations over four different ecosystems and coupled with a soil water and heat transfer model, to simulate water and heat transfer in the soil-plant-atmosphere continuum. At the regional scale, a hybrid dual source scheme and trapezoid framework based ET model (HTEM), using remote sensing images is developed. This model is verified with data from the USA and China and the impact of agricultural water-saving on ET of different land use types is analyzed, in these chapters. The author discusses the potential of using a remote sensing ET model in the real management of water resources in a large irrigation district. This work would be of particular interest to any hydrologist or micro-meteorologist who works on ET estimation and it will also appeal to the ecologist who works on the coupled water and carbon cycles. Land evapotranspiration is an important research topic in hydrology, meteorology, ecology and agricultural sciences.<br>Dr. Yuting Yang works at the CSIRO Land and Water, Canberra, Australia. </p>
Nominated by Tsinghua University as an outstanding Ph.D. thesis Develops a series of ET models to estimate evapotranspiration (ET) and E and T partitioning across biomes Investigates the relationship between ecosystem evapotranspiration and primary production and its application in ET estimation Application of remote sensing-based ET model in the real water resources management in a large irrigation district of North China Includes supplementary material: sn.pub/extras
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