Pollen

Participants: DS,ST,BMS,MG,HF,PW

Implement Pollen in the EMEP model.

From MACC.

schematic structure.

Minutes

* Minutes 08.09.2011

Work done

The Pollen module has been implemented to the emep model.

-The heatsum is now calculated every meteorological timestep (3 hrs).

-The birch fraction has been reduced over 60 degrees north, the same way forest is reduced in land use (lat_fac). However seems that the new numbers are a bit to low, especially at Trondheim av Bodø.

Measured 2008:	Observed org. forest (reported)
site	start date	sum pollen gr.	start date	sum pollen gr.
Stavanger	23 Apr.	358	6 Apr.	511
Oslo	23 Apr.	1989	20 Apr.	5594
Ringebu	25 Apr.	1476	24 Apr.	5230
Trondheim	26 Apr.	4215	23 Apr.	2496
Bodø	29 Apr.	878	29 Apr.	8716
forest red. by corr	+ forest red. by lat_fac
site	start date	sum pollen gr.	start date	sum pollen gr.
Stavanger	6 Apr.	560	6 Apr.	447
Oslo	23 Apr.	5715	20 Apr.	5427
Ringebu	25 Apr.	5349	24 Apr.	1180
Trondheim	26 Apr.	2550	23 Apr.	494
Bodø	29 Apr.	3724	29 Apr.	75

Pollen Storm may 2006