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  • 1351.
    Taesler, Roger
    SMHI, Research Department.
    THE BIOCLIMATE IN TEMPERATE AND NORTHERN CITIES1991In: International journal of biometeorology, ISSN 0020-7128, E-ISSN 1432-1254, Vol. 35, no 3, p. 161-168Article in journal (Refereed)
    Abstract [en]

    Climate is a basic component of the human environment. Developments in building design and indoor climate control have contributed greatly to improving human health and comfort. By contrast, the possibilities for improving urban climatic conditions by deliberate planning have been poorly exploited. The structure and processes of the urban atmosphere in extratropical regions are briefly described. The impact of certain selected urban climates on human health is summarized. The need for relevant bioclimatological "design tools" for applications in urban planning is stressed, followed by a brief review of some recent work on human thermal comfort. It is argued that the modification of present day comfort criteria to reflect human adaptation to climate may be important for further improvements of indoor climate. as well as for deducing the emissions of air pollutants and greenhouse gases.

  • 1352.
    Andersson, Tage
    et al.
    SMHI, Research Department, Atmospheric remote sensing.
    Ivarsson, Karl-Ivar
    SMHI.
    A MODEL FOR PROBABILITY NOWCASTS OF ACCUMULATED PRECIPITATION USING RADAR1991In: Journal of applied meteorology (1988), ISSN 0894-8763, E-ISSN 1520-0450, Vol. 30, no 1, p. 135-141Article in journal (Refereed)
    Abstract [en]

    A new model for making probability forecasts of accumulated spot precipitation from weather radar data is presented. The model selects a source region upwind of the forecast spot. All pixels (horizontal size 2 x 2 km2) within the source region are considered, having the same probability of hitting the forecast spot. A pixel hitting the forecast spot is supposed to precipitate there a short time (about 10 min.). A drawing is performed, and a frequency distribution of accumulated precipitation during the first time step of the forecast is obtained. A second drawing gives the frequency distribution of accumulated precipitation during the first to second time step, a third one during the first to third, and so on until the end of the forecast period is reached. A number of forecasts for 1-h accumulated precipitation, with lead times of 0, 1, and 2 h, have been performed and verified. The forecasts for 0-h lead time got the highest Brier skill scores, +50% to 60% relative to climatological forecasts for accumulated precipitation below 1 mm.

  • 1353.
    Taesler, Roger
    SMHI, Research Department.
    CLIMATE AND BUILDING ENERGY MANAGEMENT1991In: Energy and Buildings, ISSN 0378-7788, E-ISSN 1872-6178, Vol. 16, no 1-2, p. 599-608Article in journal (Refereed)
    Abstract [en]

    Indoor climate control is a major energy demand everywhere. Design and operation of buildings and HVAC systems crucially depend on climate data and real-time meteorological conditions. Energy-efficient buildings also contribute to reduce air pollution and climate change in urban areas as well as regionally and globally. However, the effects of climate and weather on building energy management are still largely overlooked in practice. A main reason for this is the lack of tools for translating meteorological conditions into energy requirements. The combined impact of temperature, solar irradiation, wind and humidity on the energy balance of a building depends on the building itself, i.e., its design, orientation, HVAC system, mode of operation, maintenance, etc. The paper discusses different approaches to model this complex interplay and associated problems at the design as well as in the operation stages. Recent developments in Sweden are reported, including applications to urban planning, building design and real-time operation of buildings and energy systems. The impact of solar irradiation and wind, in addition to that of temperature, is demonstrated. Further, the paper discusses the significance of local site condition versus building characteristics.

  • 1354.
    Andersson, Tage
    SMHI, Research Department, Atmospheric remote sensing.
    A HEAVY MESOSCALE SNOWFALL EVENT IN NORTHERN GERMANY1991In: METEOROLOGICAL MAGAZINE, ISSN 0026-1149, Vol. 120, no 1425, p. 67-68Article in journal (Refereed)
  • 1355.
    Svensson, Urban
    et al.
    SMHI, Research Department, Oceanography.
    Omstedt, Anders
    SMHI, Research Department, Oceanography.
    A MATHEMATICAL-MODEL OF THE OCEAN BOUNDARY-LAYER UNDER DRIFTING MELTING ICE1990In: Journal of Physical Oceanography, ISSN 0022-3670, E-ISSN 1520-0485, Vol. 20, no 2, p. 161-171Article in journal (Refereed)
  • 1356.
    Brandt, Maja
    SMHI, Core Services.
    SIMULATION OF RUNOFF AND NITRATE TRANSPORT FROM MIXED BASINS IN SWEDEN1990In: Nordic Hydrology, ISSN 0029-1277, E-ISSN 1996-9694, Vol. 21, no 1, p. 13-34Article in journal (Refereed)
  • 1357.
    Andersson, Lars
    et al.
    SMHI, Core Services.
    Rahm, Lars
    SMHI, Research Department, Oceanography.
    THERMALLY DRIVEN CIRCULATION WITHIN AN EXPERIMENTAL ENCLOSURE1990In: Estuarine, Coastal and Shelf Science, ISSN 0272-7714, E-ISSN 1096-0015, Vol. 30, no 2, p. 111-129Article in journal (Refereed)
  • 1358. WULFF, F
    et al.
    STIGEBRANDT, A
    Rahm, Lars
    SMHI, Research Department, Oceanography.
    NUTRIENT DYNAMICS OF THE BALTIC SEA1990In: Ambio, ISSN 0044-7447, E-ISSN 1654-7209, Vol. 19, no 3, p. 126-133Article in journal (Refereed)
  • 1359. Rosenberg, R
    et al.
    Elmgren, R
    Fleischer, S
    Jonsson, P
    Persson, G
    Dahlin, Hans
    SMHI.
    MARINE EUTROPHICATION CASE-STUDIES IN SWEDEN1990In: Ambio, ISSN 0044-7447, E-ISSN 1654-7209, Vol. 19, no 3, p. 102-108Article in journal (Refereed)
  • 1360.
    Brandt, Maja
    SMHI, Core Services.
    GENERATION, TRANSPORT AND DEPOSITION OF SUSPENDED AND DISSOLVED MATERIAL - EXAMPLES FROM SWEDISH RIVERS1990In: Geografiska Annaler. Series A, Physical Geography, ISSN 0435-3676, E-ISSN 1468-0459, Vol. 72, no 3-4, p. 273-283Article in journal (Refereed)
    Abstract [en]

    Soil erosion, sediment transport and deposition in river systems in Sweden are discussed. The database consists of observations from a research project and from the Swedish network for the measurement of sediment transport. Examples are given from measurements in small plots, and from river basins of different sizes and characteristics. Effects of hydrological regime, of deposition in lakes, and of geology and human impact are illustrated. It was found that observations of erosion losses in index plots cannot easily be extrapolated to large areas, and that trends of transport most likely reflect trends in runoff.

  • 1361.
    Andersson, Tage
    et al.
    SMHI, Research Department, Atmospheric remote sensing.
    Nilsson, Stefan
    SMHI, Core Services.
    TOPOGRAPHICALLY INDUCED CONVECTIVE SNOWBANDS OVER THE BALTIC SEA AND THEIR PRECIPITATION DISTRIBUTION1990In: Weather and forecasting, ISSN 0882-8156, E-ISSN 1520-0434, Vol. 5, no 2, p. 299-312Article in journal (Refereed)
  • 1362.
    Vedin, Haldo
    SMHI.
    FREQUENCY OF RARE WEATHER EVENTS DURING PERIODS OF EXTREME CLIMATE1990In: Geografiska Annaler. Series A, Physical Geography, ISSN 0435-3676, E-ISSN 1468-0459, Vol. 72, no 2, p. 151-155Article in journal (Refereed)
  • 1363.
    Eriksson, Bertil
    et al.
    SMHI.
    Alexandersson, Hans
    SMHI, Research Department.
    OUR CHANGING CLIMATE1990In: Agricultural and Forest Meteorology, ISSN 0168-1923, E-ISSN 1873-2240, Vol. 50, no 1-2, p. 55-64Article in journal (Refereed)
  • 1364.
    Rahm, Lars
    et al.
    SMHI, Research Department, Oceanography.
    Svensson, Urban
    SMHI, Research Department, Oceanography.
    Dispersion in a stratified benthic boundary layer1989In: Tellus. Series A, Dynamic meteorology and oceanography, ISSN 0280-6495, E-ISSN 1600-0870, Vol. 41A, no 2Article in journal (Refereed)
    Abstract [en]

    A dispersion model for the stratified benthic boundary layer is formulated. It is based on "small-scale" vertical dispersion and a "large-scale" horizontal flow field. A modified Langevin equation governs the stochastic vertical migration of an ensemble of marked fluid elements. These elements are spread out by the horizontal flow, determined by a one-dimensional model, which includes a two-equation (k - epsilon) turbulence scheme. The later yields statistical information necessary for the stochastic process. Statistical properties of the dispersion process are then calculated from the evolution of the ensemble of elements. A rather idealized case with a linearly stratified fluid subject to a suddenly imposed barotropic pressure gradient is considered. A quasi-geostrophic interior flow is formed with a benthic boundary layer at the bottom. Marked fluid elements are released at the bottom and then followed for several pendulum days. It is found that the dispersion process is well characterized by K = Cu(*)l/(where u(*) and l are the friction velocity at the bottom and the layer thickness, respectively), and where C approximate to 15. A similar relation but based on external parameters only, becomes: K = C-b vertical bar partial derivative P/partial derivative y vertical bar(2)/rho(2) f(5/2) N-1/2, where C-b approximate to 0.11 in the range N/f = 28- 88

  • 1365.
    Rahm, Lars
    et al.
    SMHI, Research Department, Oceanography.
    Svensson, Urban
    SMHI, Research Department, Oceanography.
    ON THE MASS-TRANSFER PROPERTIES OF THE BENTHIC BOUNDARY-LAYER WITH AN APPLICATION TO OXYGEN FLUXES1989In: NETHERLANDS JOURNAL OF SEA RESEARCH, ISSN 0077-7579, Vol. 24, no 1, p. 27-35Article in journal (Refereed)
  • 1366.
    Svensson, Urban
    et al.
    SMHI, Research Department, Oceanography.
    Sahlberg, Jörgen
    SMHI, Professional Services.
    FORMULAS FOR PRESSURE-GRADIENTS IN ONE-DIMENSIONAL LAKE MODELS1989In: JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, Vol. 94, no C4, p. 4939-4946Article in journal (Refereed)
  • 1367.
    Karlsson, Karl-Göran
    SMHI, Research Department, Atmospheric remote sensing.
    DEVELOPMENT OF AN OPERATIONAL CLOUD CLASSIFICATION MODEL1989In: International Journal of Remote Sensing, ISSN 0143-1161, E-ISSN 1366-5901, Vol. 10, no 4-5, p. 687-693Article in journal (Refereed)
  • 1368.
    Häggkvist, Kenneth
    et al.
    SMHI, Professional Services.
    Svensson, Urban
    SMHI, Research Department, Oceanography.
    Taesler, Roger
    SMHI, Research Department.
    NUMERICAL SIMULATIONS OF PRESSURE FIELDS AROUND BUILDINGS1989In: Building and Environment, ISSN 0360-1323, E-ISSN 1873-684X, Vol. 24, no 1, p. 65-72Article in journal (Refereed)
  • 1369.
    Andersson, Tage
    et al.
    SMHI, Research Department, Atmospheric remote sensing.
    Andersson, M
    SMHI.
    Jacobsson, Caje
    SMHI.
    Nilsson, Stefan
    SMHI.
    THERMODYNAMIC INDEXES FOR FORECASTING THUNDERSTORMS IN SOUTHERN SWEDEN1989In: METEOROLOGICAL MAGAZINE, ISSN 0026-1149, Vol. 118, no 1404, p. 141-146Article in journal (Refereed)
  • 1370.
    Sahlberg, Jörgen
    SMHI, Professional Services.
    MODELING THE THERMAL REGIME OF A LAKE DURING THE WINTER SEASON1988In: Cold Regions Science and Technology, ISSN 0165-232X, E-ISSN 1872-7441, Vol. 15, no 2, p. 151-159Article in journal (Refereed)
  • 1371.
    Svensson, Urban
    et al.
    SMHI, Research Department, Oceanography.
    Rahm, Lars
    SMHI, Research Department, Oceanography.
    MODELING THE NEAR-BOTTOM REGION OF THE BENTHIC BOUNDARY-LAYER1988In: JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, Vol. 93, no C6, p. 6909-6915Article in journal (Refereed)
  • 1372. WULFF, F
    et al.
    Rahm, Lars
    SMHI, Research Department, Oceanography.
    LONG-TERM, SEASONAL AND SPATIAL VARIATIONS OF NITROGEN, PHOSPHORUS AND SILICATE IN THE BALTIC - AN OVERVIEW1988In: Marine Environmental Research, ISSN 0141-1136, E-ISSN 1879-0291, Vol. 26, no 1, p. 19-37Article in journal (Refereed)
  • 1373.
    Brandt, Maja
    et al.
    SMHI, Core Services.
    Bergström, Sten
    SMHI, Research Department, Hydrology.
    Gardelin, Marie
    SMHI, Professional Services.
    MODELING THE EFFECTS OF CLEARCUTTING ON RUNOFF - EXAMPLES FROM CENTRAL SWEDEN1988In: Ambio, ISSN 0044-7447, E-ISSN 1654-7209, Vol. 17, no 5, p. 307-313Article in journal (Refereed)
  • 1374.
    Omstedt, Anders
    SMHI, Research Department, Oceanography.
    FORECASTING WATERCOOLING IN THE KATTEGAT, THE ORESUND, THE BELT SEA AND THE ARKONA BASIN1987In: Nordic Hydrology, ISSN 0029-1277, E-ISSN 1996-9694, Vol. 18, no 4-5, p. 247-258Article in journal (Refereed)
  • 1375.
    Brandt, Maja
    et al.
    SMHI, Core Services.
    Bergström, Sten
    SMHI, Research Department, Hydrology.
    Sandén, Per
    SMHI, Research Department, Hydrology.
    ENVIRONMENTAL IMPACTS OF AN OLD MINE TAILINGS DEPOSIT - MODELING OF WATER-BALANCE, ALKALINITY AND PH1987In: Nordic Hydrology, ISSN 0029-1277, E-ISSN 1996-9694, Vol. 18, no 4-5, p. 291-300Article in journal (Refereed)
  • 1376.
    Bergström, Sten
    et al.
    SMHI, Research Department, Hydrology.
    Brandt, Maja
    SMHI, Core Services.
    Gustafson, Arne
    SIMULATION OF RUNOFF AND NITROGEN LEACHING FROM 2 FIELDS IN SOUTHERN SWEDEN1987In: Hydrological Sciences Journal, ISSN 0262-6667, E-ISSN 2150-3435, Vol. 32, no 2, p. 191-205Article in journal (Refereed)
  • 1377.
    Gidhagen, Lars
    SMHI, Research Department, Air quality.
    COASTAL UPWELLING IN THE BALTIC SEA - SATELLITE AND INSITU MEASUREMENTS OF SEA-SURFACE TEMPERATURES INDICATING COASTAL UPWELLING1987In: Estuarine, Coastal and Shelf Science, ISSN 0272-7714, E-ISSN 1096-0015, Vol. 24, no 4, p. 449-462Article in journal (Refereed)
  • 1378.
    Rahm, Lars
    SMHI, Research Department, Oceanography.
    OXYGEN-CONSUMPTION IN THE BALTIC PROPER1987In: Limnology and Oceanography, ISSN 0024-3590, E-ISSN 1939-5590, Vol. 32, no 4, p. 973-978Article in journal (Refereed)
  • 1379.
    Nyberg, Alf
    SMHI.
    SOME VIEWS ON THE WATER LEVEL IN LAKE MALAREN AND IN THE ADJACENT BALTIC SEA1987In: Geografiska Annaler. Series A, Physical Geography, ISSN 0435-3676, E-ISSN 1468-0459, Vol. 69, no 2, p. 271-282Article in journal (Refereed)
  • 1380.
    Funquist, Lennart
    et al.
    SMHI, Research Department, Oceanography.
    Gidhagen, Lars
    SMHI, Research Department, Air quality.
    Svensson, Urban
    SMHI, Research Department, Oceanography.
    THE MATHEMATICAL-MODELING OF BAROCLINIC WAVES AND FRONTS IN THE OCEAN1987In: Applied Mathematical Modelling, ISSN 0307-904X, E-ISSN 1872-8480, Vol. 11, no 1, p. 11-18Article in journal (Refereed)
  • 1381.
    Bringfelt, Björn
    SMHI, Research Department, Climate research - Rossby Centre.
    PARTICLE CONCENTRATION MODEL IN A SMALL TOWN STREET BASED ON RECEPTOR STUDIES1987In: Journal of Aerosol Science, ISSN 0021-8502, E-ISSN 1879-1964, Vol. 18, no 6, p. 841-844Article in journal (Refereed)
  • 1382.
    Persson, Christer
    et al.
    SMHI, Research Department, Air quality.
    RODHE, H
    DE GEER, LE
    THE CHERNOBYL ACCIDENT - A METEOROLOGICAL ANALYSIS OF HOW RADIONUCLIDES REACHED AND WERE DEPOSITED IN SWEDEN1987In: Ambio, ISSN 0044-7447, E-ISSN 1654-7209, Vol. 16, no 1, p. 20-31Article in journal (Refereed)
  • 1383.
    Bringfelt, Björn
    et al.
    SMHI, Research Department, Climate research - Rossby Centre.
    LINDROTH, A
    SYNOPTIC EVAPOTRANSPIRATION MODEL APPLIED TO 2 NORTHERN FORESTS OF DIFFERENT DENSITY1987In: Journal of Hydrology, ISSN 0022-1694, E-ISSN 1879-2707, Vol. 95, no 3-4, p. 185-201Article in journal (Refereed)
  • 1384.
    Rahm, Lars
    et al.
    SMHI, Research Department, Oceanography.
    Svensson, Urban
    SMHI, Research Department, Oceanography.
    DISPERSION OF MARKED FLUID ELEMENTS IN A TURBULENT EKMAN LAYER1986In: Journal of Physical Oceanography, ISSN 0022-3670, E-ISSN 1520-0485, Vol. 16, no 12, p. 2084-2096Article in journal (Refereed)
  • 1385.
    Johansson, Barbro
    et al.
    SMHI, Professional Services.
    Jutman, Torbjörn
    SMHI, Core Services.
    HYDROLOGICAL MAPS DEVELOPMENT OF A SYSTEM FOR CALCULATION AND PRESENTATION1986In: Nordic Hydrology, ISSN 0029-1277, E-ISSN 1996-9694, Vol. 17, no 4-5, p. 229-236Article in journal (Refereed)
  • 1386.
    Rahm, Lars
    SMHI, Research Department, Oceanography.
    ON THE THERMAL ADJUSTMENT OF AN ALMOST-ENCLOSED FLUID REGION WITH THROUGH-FLOW1986In: International Journal of Heat and Mass Transfer, ISSN 0017-9310, E-ISSN 1879-2189, Vol. 29, no 10, p. 1479-1485Article in journal (Refereed)
  • 1387. JANSSON, PE
    et al.
    Thoms-Hjärpe, Christina
    SMHI, Core Services.
    STIMULATED AND MEASURED SOIL-WATER DYNAMICS OF UNFERTILIZED AND FERTILIZED BARLEY1986In: ACTA AGRICULTURAE SCANDINAVICA, ISSN 0001-5121, Vol. 36, no 2, p. 162-172Article in journal (Refereed)
  • 1388.
    Lindström, Göran
    et al.
    SMHI, Research Department, Hydrology.
    RODHE, A
    MODELING WATER EXCHANGE AND TRANSIT TIMES IN TILL BASINS USING O-181986In: Nordic Hydrology, ISSN 0029-1277, E-ISSN 1996-9694, Vol. 17, no 4-5, p. 325-334Article in journal (Refereed)
25262728 1351 - 1388 of 1388
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  • ieee
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