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Träfflista för sökning "WFRF:(Lundin E) ;pers:(Lundin L C)"

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1.	Gustafsson, David, et al. (author) Boreal-forest surface parameterisation in the ECMWF model : 1D test with NOPEX long-term data. Other publication (other academic/artistic)
2.	Gustafsson, D, et al. (author) Boreal-forest surface parameterisation in the ECMWF model – 1D test with NOPEX long-term data 2003 In: Journal of Applied Meteorology. ; 1:42, s. 95-112 Journal article (peer-reviewed)
3.	Gustafsson, David, et al. (author) Boreal forest surface parameterization in the ECMWF model - 1D test with NOPEX long-term data 2003 In: Journal of applied meteorology (1988). - 0894-8763 .- 1520-0450. ; 42:1, s. 95-112 Journal article (peer-reviewed)abstract The objective of the present study was to assess the performance and recent improvements of the land surface scheme used operationally in the European Centre for Medium-Range Weather Forecasts (ECMWF) in a Scandinavian boreal forest climate/ecosystem. The previous (the 1999 scheme of P. Viterbo and A. K. Betts) and the new (Tiled ECMWF Surface Scheme for Exchange Processes over Land, TESSEL) surface schemes were validated by single-column runs against data from NOPEX (Northern Hemisphere Climate-Processes Land-Surface Experiment). Driving and validation datasets were prepared for a 3-yr period (1994-96). The new surface scheme, with separate surface energy balances for subgrid fractions (tiling), improved predictions of seasonal as well as diurnal variation in surface energy fluxes in comparison with the old scheme. Simulated wintertime evaporation improved significantly as a consequence of the introduced additional aerodynamic resistance for evaporation from snow lying under high vegetation. Simulated springtime evaporation also improved because the limitation of transpiration in frozen soils was now accounted for. However, downward sensible heat flux was still underestimated during winter, especially at nighttime, whereas soil temperatures were underestimated in winter and overestimated in summer. The new scheme also underestimated evaporation during dry periods in summer, whereas soil moisture was overestimated. Sensitivity tests showed that further improvements of simulated surface heat fluxes and soil temperatures could be obtained by calibration of parameters governing the coupling between the surface and the atmosphere and the ground heat flux, and parameters governing the water uptake by the vegetation. Model performance also improved when the seasonal variation in vegetation properties was included.
4.	Halldin, S, et al. (author) Continuous long-term measurements of soil-plant-atmosphere variables at an agricultural site 1999 In: AGRICULTURAL AND FOREST METEOROLOGY. - : ELSEVIER SCIENCE BV. - 0168-1923. ; 98-9, s. 75-102 Journal article (peer-reviewed)abstract It is a major challenge in modem science to decrease the uncertainty in predictions of global climate change. One of the largest uncertainties in present-day global climate models resides with the understanding of processes in the soil-vegetation-atmosphe
5.	Jansson, P-E, et al. (author) Modelling of soil moisture dynamics and evaporation from two different forest stands at the NOPEX Central Tower Site 1995 In: Annales Geophysicae, Supplement II. ; , s. C 342- Conference paper (other academic/artistic)
6.	Kellner, E, et al. (author) Hydrological studies in a Swedish raised bog 1996 In: Annales Geophysicae, Supplement II. ; , s. C 354- Conference paper (other academic/artistic)
7.	Kellner, E., Jansson, P.-E, Stähli, M. & Lundin, L.-C. (author) Winter soil temperatures and unfrozen water content at the Norunda CTS pine stands 2001 In: Theoretical and Applied Climatology. ; :70 Journal article (peer-reviewed)
8.	Kellner, E, et al. (author) Simple model of a raised bog 1997 In: Annales Geophysicae, Supplement II. ; , s. C 295- Conference paper (other academic/artistic)
9.	Kellner, E, et al. (author) The influence of soil moisture dynamics on transpiration at the CTS pine stands 1999 In: Agricultural and Forest Meteorology. ; :98/99 Other publication (other academic/artistic)
10.	Kellner, E, et al. (author) Winter soil temperatures and unfrozen soil water content at the Norunda CTS pine stands 2001 In: Theoretical and Applied Climatology. ; :70 Other publication (other academic/artistic)

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Result 1-10 of 25

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Type of publication: conference paper (10); journal article (7); other publication (4); book chapter (3); reports (1)

Type of content: other academic/artistic (18); peer-reviewed (7)

Author/Editor: Lundin, L-C (23)Undo refine; Halldin, S (10); Kellner, E (9); Jansson, P E (8); Stähli, M. (8); Lindroth, A. (6); show more...; Grelle, A (6); Cienciala, E (5); Gustafsson, D. (4); Viterbo, P. (4); Lewan, E (4); Eriksson, E (3); Seibert, J (3); Mölder, M. (3); Lindahl, A. (2); Johansson, S (2); Gustafsson, David (2); Gottschalk, L (2); Dahlgren, L (2); Mellander, Per- Erik (2); Gryning, S. E. (2); Heikinheimo, M (2); van, den Hurk BJJM (2); Stahli, M (2); Jochum, A (2); van, de Griend AA (2); Högström, U (2); Hjelm, P (2); Nord, T (2); Mellander, P-E (2); Rydén, L. (1); Bergstrom, H (1); Lindroth, Anders (1); Eriksson, J (1); LUNDBERG, A (1); Bergström, S (1); Jansson, PE (1); Mölder, Meelis (1); Bergström, H (1); Flühler, H. (1); Molder, M (1); van den Hurk, B.J.J. ... (1); Szilágyi Kishné, A (1); Smedman, A S (1); Mellander, PE (1); Kishne, AS (1); Smedman, AS (1); Kellner, E., Jansson ... (1); Hessel, K (1); Melander, P-E (1); show less...

University: Uppsala University (24); Royal Institute of Technology (2); Mid Sweden University (2); Lund University (1)

Language: English (25)

Research subject (UKÄ/SCB): Natural sciences (23); Engineering and Technology (1); Humanities (1)

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