method_LWF-BROOK90: Vegetation End Method "LWF-BROOK90"
In vegperiod: Determine Thermal Vegetation Periods
method_LWF-BROOK90 R Documentation
Vegetation End Method "LWF-BROOK90"
Description
The method LWF-BROOK90 is -for the sake of convenience- a reimplementation
of the LWF-BROOK90 VBA (version 3.4) variant of "vonWilpert" (Hammel and
Kennel 2001). Their interpretation of von Wilpert (1990) and the somewhat
lower precision of VBA was mimicked.
Calculations
- starting search at June 1st
- propose end if 7-day moving average temperature is below 10°C
on 5 consecutive days
- restart search for end if there is a warm periode (7-day moving average
temperature above 10°C for 5 consecutive days
- nevertheless the vegetation periode stops latest at DOY 279
References
Hammel, K. and Kennel, M. (2001)
Charakterisierung und Analyse der Wasserverfügbarkeit und des
Wasserhaushalts von Waldstandorten in Bayern mit dem Simulationsmodell
BROOK90.
Forstliche Forschungsberichte München.
von Wilpert, K. (1990)
Die Jahrringstruktur von Fichten in Abhängigkeit vom Bodenwasserhaushalt
auf Pseudogley und Parabraunerde: Ein Methodenkonzept zur Erfassung
standortsspezifischer Wasserstreßdispostion.
Freiburger Bodenkundliche Abhandlungen.
vegperiod documentation built on Nov. 1, 2022, 5:07 p.m.
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| method_LWF-BROOK90 | R Documentation |
Vegetation End Method "LWF-BROOK90"
Description
The method LWF-BROOK90 is -for the sake of convenience- a reimplementation
of the LWF-BROOK90 VBA (version 3.4) variant of "vonWilpert" (Hammel and
Kennel 2001). Their interpretation of von Wilpert (1990) and the somewhat
lower precision of VBA was mimicked.
Calculations
- starting search at June 1st - propose end if 7-day moving average temperature is below 10°C on 5 consecutive days - restart search for end if there is a warm periode (7-day moving average temperature above 10°C for 5 consecutive days - nevertheless the vegetation periode stops latest at DOY 279
References
Hammel, K. and Kennel, M. (2001) Charakterisierung und Analyse der Wasserverfügbarkeit und des Wasserhaushalts von Waldstandorten in Bayern mit dem Simulationsmodell BROOK90. Forstliche Forschungsberichte München.
von Wilpert, K. (1990) Die Jahrringstruktur von Fichten in Abhängigkeit vom Bodenwasserhaushalt auf Pseudogley und Parabraunerde: Ein Methodenkonzept zur Erfassung standortsspezifischer Wasserstreßdispostion. Freiburger Bodenkundliche Abhandlungen.
R Package Documentation
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Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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