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('''Preparation of ten-daily rainfall and ET<sub>0</sub> maps for crop forecasting ''')
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{|"class=prettytable" cellpadding="15" border="1" style="border-collapse:collapse" {|"class=prettytable" cellpadding="15" border="1" style="border-collapse:collapse"
|width="300"| Start the “Database-Map” function. This example will display rainfall data for a specific dekad in 2002 for Bangladesh.||[[Image:graph37.jpg|400px|]] |width="300"| Start the “Database-Map” function. This example will display rainfall data for a specific dekad in 2002 for Bangladesh.||[[Image:graph37.jpg|400px|]]
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|width="225"|With the world map as default, some cluttered data are shown for Bangladesh ||[[Image:graph38.jpg|400px|]] |width="225"|With the world map as default, some cluttered data are shown for Bangladesh ||[[Image:graph38.jpg|400px|]]

Revision as of 09:43, 18 August 2006

Preparation of ten-daily rainfall and ET0 maps for crop forecasting

Crop forecasting based on water balance calculations is usually done in a ten-day timestep. A ten day period is called a “dekad”. However, should daily weather data of good spatial and temporal extend be available, the water balance can be run in AgrometShell on a daily basis.

In order to do crop forecasting the following weather data have to be gathered:

  • Actual decadal rainfall data for the running season.
  • Actual decadal ET0 data for the running season
  • Normal rainfall data
  • Normal ET0 data

These data form indicators in itself, even without using them directly in a water balance calculation. Some examples are given below:

Preparation of ten-daily rainfall and ET0 maps for crop forecasting

Crop forecasting based on water balance calculations is usually done in a ten-day timestep. A ten day period is called a “dekad”. However, should daily weather data of good spatial and temporal extend be available, the water balance can be run in AgrometShell on a daily basis.

In order to do crop forecasting the following weather data have to be gathered:

  • Actual decadal rainfall data for the running season.
  • Actual decadal ET0 data for the running season
  • Normal rainfall data
  • Normal ET0 data

These data form indicators in itself, even without using them directly in a water balance calculation. Some examples are given below:

A simple rainfall map for the current dekad

Start the “Database-Map” function. This example will display rainfall data for a specific dekad in 2002 for Bangladesh.
With the world map as default, some cluttered data are shown for Bangladesh









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