start:hype_model_description:processes_above_ground
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start:hype_model_description:processes_above_ground [2020/04/29 10:33] cpers [Evaporation] |
start:hype_model_description:processes_above_ground [2020/04/30 07:55] cpers [Evaporation] |
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| The actual soil evaporation is set to zero for temperatures below the threshold temperature and for negative potential evaporation estimates (condensation). It may also be affected by frozen soil model, which then limit evaporation to the liquid part of soil water. | The actual soil evaporation is set to zero for temperatures below the threshold temperature and for negative potential evaporation estimates (condensation). It may also be affected by frozen soil model, which then limit evaporation to the liquid part of soil water. | ||
| - | A river with an area (i.e. is a class), flooded floodplains and lakes are assumed to evaporate at the potential rate, when the air temperature is above the threshold temperature (//ttmp//). Evaporation is limited by the water body's volume. | + | A river with an area (i.e. has a class), flooded floodplains and lakes are assumed to evaporate at the potential rate, when the air temperature is above the threshold temperature (//ttmp//). Evaporation is limited by the water body's volume. |
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| Nitrogen dry deposition on water surfaces is specified in GeoData.txt for each subbasin, while dry deposition of phosphorus is specified by a model parameter //drydepPP// (land use dependent). | Nitrogen dry deposition on water surfaces is specified in GeoData.txt for each subbasin, while dry deposition of phosphorus is specified by a model parameter //drydepPP// (land use dependent). | ||
| - | For both nitrogen and phosphorus wet deposition is added through the concentration of precipitation (as described above), while for dry deposition an amount of the nutrient is added to the river (if it has a class-area) or lake water. If the lake is divided atmospheric deposition are added to the fast lake part (FLP). | + | For both nitrogen and phosphorus wet deposition is added through the concentration of precipitation (as described above), while for dry deposition an amount of the nutrient is added to the river (if it has a class-area) or lake water. |
| Alternatively wet deposition of phosphorus on water surfaces can be specified by a general model parameter (//wetdepspl//) as a load. Monthly load of IN atmosperic depostion on water surfaces can be specified in GeoData.txt for each subbasin. | Alternatively wet deposition of phosphorus on water surfaces can be specified by a general model parameter (//wetdepspl//) as a load. Monthly load of IN atmosperic depostion on water surfaces can be specified in GeoData.txt for each subbasin. | ||
start/hype_model_description/processes_above_ground.txt ยท Last modified: 2024/02/21 08:54 by cpers
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