Next, go to the Review or provide site data pane. If you have opened an existing file, all you need to do is to review the data for accuracy. If any changes are necessary, press the Save New Input Data button to save the edited data to the input file.
If you have created a new input data file, you will first need to enter the site name. It is listed as Station/Country in Müller (1982).
Next, enter the latitude and longitude of the site. Latitude and longitude are listed together under Location in Müller (1982). Latitude and longitude data are provided in degrees (°) and minutes (‘), but should be rounded to the nearest tenth of a degree. These guidelines should help you round accurately.
Minutes |
Degrees |
6 12 18 24 30 36 42 48 54 |
0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 |
Here are some important directional details to remember:
Elevation should be entered in meters. Elevation data are listed as Height above sea level in Müller (1982).
The Budyko water- and energy-balance model requires cloudiness (fraction of the sky obscured by clouds) as an input variable, but cloudiness data are not provided in Müller (1982). The model defaults to a value of 50 percent, but you can select values ranging from 10 percent to 100 percent using the (Set cloudiness): drop-down box. (I have also included cloudiness in the Woodward water-balance model to adjust estimates of radiation reaching the surface on cloudless days to values reflecting more realistic cloud conditions.)
Press the Save New Input Data button to save the data to the input file.
Copyright © 2003-2011, David M. Lawrence
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