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توضیحات

A sript to simulate field-scale evapotranspiration and drainage

ویژگی	مقدار
سیستم عامل	-
نام فایل	edcrop-0.0.0
نام	edcrop
نسخه کتابخانه	0.0.0
نگهدارنده	[]
ایمیل نگهدارنده	[]
نویسنده	-
ایمیل نویسنده	Steen Christensen <sc@geo.au.dk>
آدرس صفحه اصلی	-
آدرس اینترنتی	https://pypi.org/project/edcrop/
مجوز	MIT License Copyright (c) 2022 Steen Christensen, Dept. of Geoscience, Aarhus University, Denmark. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

# ed_py Evapotranspiration is one of the major components of Earth’s water balance, being the sum of evaporation and plant transpiration from the land and ocean surface. Ed.py is a Python script that, using climate input, can be used to simulate field-scale evapotranspiration and drainage from the root zone of an area covered with a crop, a wetland, or a forest. The conceptual model implemented in ed.py is a modification of the Evacrop model by Olesen and Heidmann (2002), which itself builds on the Watcros model by Aslyng and Hansen (1982). The ed.py conceptualization is based on considerations regarding the physical processes that are important for turning precipitation and irrigation into either evaporation, transpiration, or drainage from the root zone: Temperature determines whether precipitation falls as rain or snow, and it determines when snow thaws and infiltrates. The vegetation intercepts a part of precipitation, while the rest infiltrates into the ground. The infiltrated water will either evaporate, be absorbed by plant roots, be stored in the soil, or drain from the root zone. Potential evaporation is distributed between vegetation and soil, where the former part drives evaporation of intercepted water and plant transpiration from the green leaf area, while the latter part drives evaporation from the soil. The soil’s ability to store water depends on its field capacity; when the water content exceeds field capacity, water will gradually drain downwards. Furthermore, it is assumed that the annual life cycle of crops and wetland vegetation can be described by growing degree-days alone, while for forests the life cycle is described by a calendar. For irrigation, either (i) date and amount are input, or (ii) they are determined automatically by ed.py using certain criteria. There are two alternative soil water balance functions to choose between in ed.py. The first alternative is an almost straight copy of the function used in the original Evacrop code by Olesen and Heidmann (2002), simulating flow through the soil profile as flow through two linear reservoirs using daily time steps. However, it can simulate macro-pore drainage, which the original Evacrop cannot. The second alternative simulates flow through the soil profile as flow through four linear or nonlinear reservoirs using daily or sub-daily time steps. For nonlinear reservoirs, ed.py uses Mualem – van Genuchten like functions. It also simulates gravity driven macro-pore flow as well as surface runoff. As input, given in text files, ed.py requires daily temperature, precipitation, and reference evapotranspiration. It also requires information about combination(s) of soil type and vegetation type to simulate. One can choose between seven default soil types and fifteen default vegetation types, or one can manually input information for other types of soil or vegetation. In a single model run, ed.py can loop through lists of climate files, soils, and vegetation.

نیازمندی

مقدار	نام
-	requests
-	importlib-metadata

زبان مورد نیاز

مقدار	نام
>=3.7	Python

نحوه نصب

نصب پکیج whl edcrop-0.0.0:

pip install edcrop-0.0.0.whl

نصب پکیج tar.gz edcrop-0.0.0:

pip install edcrop-0.0.0.tar.gz