1. Department Agrometeorology
Use of weather data at farm level
Deutscher Wetterdienst
Wolfgang Janssen
Kaiserleistr. 29
D Offenbach
Tel.:
Fax:
mail:
Agrometeorology
Nov 2004

2. find content of advisory
Department Agrometeorology
find content of advisory
typical weather conditions
is often changing
small time windows for working steps
precipitation all over the year
farmers benefit
take crop with high profit and small risk
only working when necessary
find optimal time for working
climate
saisonal
next days
saisonal
measured data
forecast data
Agrometeorology
Nov 2004

3. focus of agrometeorological advices
Department Agrometeorology
focus of agrometeorological advices
most common crops like cereals, grassland, grain, sugar beet, potatoes, some fruits and vegetables
give planning help for the next days (fertilizing, sowing, spraying, irrigation, harvesting)
describe dependences from weather on crops in physical models
Agrometeorology
Nov 2004

4. Department Agrometeorology Branch offices and their responsibilities
central office in Offenbach
internal data supply
overregional data and product supply
internet
central research station in Braunschweig
validation of advisory programs
developing new advisory programs
program tools for decentral advisory
decentral advisory locations
steering program tools for advisory
generating regional forecasts und products
provide regional products
Agrometeorology
Nov 2004

5. Working steps central decentral Department Agrometeorology
generate from data of synoptic weather stations and forecasts a complete hourly data set for:
temperature, dew point, wind velocity, global radiation, precipitation, cloud cover
complete time series from 1961 to +168 hours forecast
central
collecting all data
quality check
complete data set
transfer data
running some models
generate some products
provide products
decentral
store data set
running selected models
text advices and forecasts
generate products
provide products
informations
ftp
internet
telefax
products
products
products
provider
informations
informations
Customer
farmers government universities companies newspapers magazines plant protection service
Agrometeorology
Nov 2004

6. Department Agrometeorology
Products
Telephone announcement service
common weather forecasts (2 nd - 7 nd day)
agrometeorological advices
28 regions
strengths:
accessible for all
cheap
weaknesses:
only text
small regionalisation
limited information
Agrometeorology
Nov 2004

7. Department Agrometeorology
weather fax (also fax for vine, angler)
common weather forecast (2 nd - 7 nd day)
table with characteristic weather and
agrometeorological values for every day
special agrometeorological advices
74 regions
strengths:
cooperation with farmers association
a lot of seasonal information
high regionalisation
paper form
weaknesses:
need falefax
abo for one year
Agrometeorology
Nov 2004

8. Department Agrometeorology
Internet
information for agriculture
free of charge:
warnings
reports
maps, charts and data
on payment:
forecast advisory tool
phenological situation
online irrigation tool
our research activities
agrometeorological models
agroclimatology
strengths:
high actualisation rate
high regionalisation
can use graphics, tables, text, colours
more detailed information
low costs
weakness:
customers need computer
need more resources and knowhow
Agrometeorology
Nov 2004

9. Example for agrometeorological information without charge
Department Agrometeorology
Example for agrometeorological information without charge
soil moisture
Agrometeorology
Nov 2004

10. Department Agrometeorology Examples for products on payment
Registration
customer can select one or more stations out of map,
put his personal information in a formular,
print and send it to us via mail or telefax
he gets username and password
Agrometeorology
Nov 2004

11. Department Agrometeorology advisory forecast tool „agrowetterPrognose“
Agrometeorology
Nov 2004

12. Department Agrometeorology online irrigation service
30 different vegetables and fruits
define condition on field
online computations
settings are stored
Agrometeorology
Nov 2004

13. Department Agrometeorology
plant useable
water
Irrigation
recommandation
infiltration
real evapotranspiration
irrigated water
precipitation
water-balance during
vegetation period
Agrometeorology
Nov 2004