Description Usage Arguments Details Value Author(s) References See Also Examples
View source: R/Evapotranspiration.R
Implementing the Abtew formulation for estimating actual evapotranspiration.
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data |
A list of data in class "Abtew" which contains the following items (climate variables) required by Abtew formulation: |
constants |
A list named |
ts |
Must be either |
solar |
Must be either |
message |
Must be either |
AdditionalStats |
"yes" or "no" indicating whether monthly averaged and annual averaged ET should be calculated. |
save.csv |
Must be either |
... |
Dummy for generic function, no need to define. |
The alternative calculation options can be selected through argument solar
, please see Arguments
for details.
The function generates a list containing the following components:
ET.Daily |
Daily aggregated estimations of Abtew actual evapotranspiration. |
ET.Monthly |
Monthly aggregated estimations of Abtew actual evapotranspiration. |
ET.Annual |
Annually aggregated estimations of Abtew actual evapotranspiration. |
ET.MonthlyAve |
Monthly averaged estimations of daily Abtew actual evapotranspiration. |
ET.AnnualAve |
Annually averaged estimations of daily Abtew actual evapotranspiration. |
ET_formulation |
Name of the formulation used which equals to |
ET_type |
Type of the estimation obtained which is |
message1 |
A message to inform the users about how solar radiation has been calculated by using which data. |
Danlu Guo
Abtew, W. 1996. Evapotranspiration measurements and modeling for three wetland systems in south florida. Wiley Online Library.
ET
,processeddata
,defaultconstants
,constants
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Loading required package: zoo
Attaching package: ‘zoo’
The following objects are masked from ‘package:base’:
as.Date, as.Date.numeric
Abtew Actual ET
Sunshine hour data have been used for calculating incoming solar radiation
Timestep: daily
Units: mm
Time duration: 2001-03-01 to 2004-08-31
1280 ET estimates obtained
Basic stats
Mean: 3.4
Max: 5.61
Min: 1.55
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