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Modelling Regional Surface Energy Exchange and Boundary Layer Development in Boreal Sweden - Comparison of Mesoscale Model (RAMS) Simulations with Aircraft and Tower Observations

Kvon, Elena LU ; Tuulik, Janno LU ; Mölder, Meelis LU and Lindroth, Anders LU (2012) In ATMOSPHERE 3(4). p.537-556
Abstract
Simulation of atmospheric and surface processes with an atmospheric model (RAMS) during a period of ten days in August 2001 over a boreal area in Sweden were compared to tower measurements and aircraft measurements of vertical profiles as well as surface fluxes from low altitude flights. The shape of the vertical profiles was simulated reasonably well by the model although there were significant biases in absolute values. Surface fluxes were less well simulated and the model showed considerable sensitivity to initial soil moisture conditions. The simulations were performed using two different land cover databases, the original one supplied with the RAMS model and the more detailed CORINE database. The two different land cover data bases... (More)
Simulation of atmospheric and surface processes with an atmospheric model (RAMS) during a period of ten days in August 2001 over a boreal area in Sweden were compared to tower measurements and aircraft measurements of vertical profiles as well as surface fluxes from low altitude flights. The shape of the vertical profiles was simulated reasonably well by the model although there were significant biases in absolute values. Surface fluxes were less well simulated and the model showed considerable sensitivity to initial soil moisture conditions. The simulations were performed using two different land cover databases, the original one supplied with the RAMS model and the more detailed CORINE database. The two different land cover data bases resulted in relatively large fine scale differences in the simulated values. The conclusion of this study is that RAMS has the potential to be used as a tool to estimate boundary layer conditions and surface fluxes and meteorology over a boreal area but also that further improvement is needed. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
RAMS, mesoscale climate, boreal region, Norunda tower, airborne data
in
ATMOSPHERE
volume
3
issue
4
pages
537 - 556
publisher
MDPI AG
external identifiers
  • wos:000321248500005
  • scopus:84874557862
ISSN
2073-4433
DOI
10.3390/atmos3040537
language
English
LU publication?
yes
id
77b690c2-dc86-43e5-935a-dd775b623fd5 (old id 3979972)
date added to LUP
2013-09-06 11:45:21
date last changed
2017-01-01 05:45:50
@article{77b690c2-dc86-43e5-935a-dd775b623fd5,
  abstract     = {Simulation of atmospheric and surface processes with an atmospheric model (RAMS) during a period of ten days in August 2001 over a boreal area in Sweden were compared to tower measurements and aircraft measurements of vertical profiles as well as surface fluxes from low altitude flights. The shape of the vertical profiles was simulated reasonably well by the model although there were significant biases in absolute values. Surface fluxes were less well simulated and the model showed considerable sensitivity to initial soil moisture conditions. The simulations were performed using two different land cover databases, the original one supplied with the RAMS model and the more detailed CORINE database. The two different land cover data bases resulted in relatively large fine scale differences in the simulated values. The conclusion of this study is that RAMS has the potential to be used as a tool to estimate boundary layer conditions and surface fluxes and meteorology over a boreal area but also that further improvement is needed.},
  author       = {Kvon, Elena and Tuulik, Janno and Mölder, Meelis and Lindroth, Anders},
  issn         = {2073-4433},
  keyword      = {RAMS,mesoscale climate,boreal region,Norunda tower,airborne data},
  language     = {eng},
  number       = {4},
  pages        = {537--556},
  publisher    = {MDPI AG},
  series       = {ATMOSPHERE},
  title        = {Modelling Regional Surface Energy Exchange and Boundary Layer Development in Boreal Sweden - Comparison of Mesoscale Model (RAMS) Simulations with Aircraft and Tower Observations},
  url          = {http://dx.doi.org/10.3390/atmos3040537},
  volume       = {3},
  year         = {2012},
}