REYKJAVÍK, ICELAND AUGUST 11-13, 2008 - Veðurstofa Íslands

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Tobias Jonas, Manfred Stähli & David Gustafsson: Radiation Budget In A Snow-Covered Subalpine Forest And Its Interactions With The Snowpack .. .............................................................................................................. 112 Inese Mikelsone, Élise Lépy & Yuriy Shishkin : Ice And Weather Conditions In The Gulf Of Riga, Their Impact On Riga Harbor Winter Navigation, 1996-2006 .............................................................................. 113 Markku Puupponen: Towards Integrated Systems For Arctic Hydrology – Applications At The Finnish Hydrological Service .................................. 121 Benjamin A. Black & Thorsteinn Thorsteinsson: Processes And Morphologies Of Icelandic Gullies And Implications For Mars .............. 124 Session 3: Water Resources Management Under Climate Change ... 133 Agrita Briede & Lita Lizuma: Long-Term Records Of Precipitation In Latvia ......................................................................................................... 135 Helen K. French, Kristine Flesjø, Jarl Øvstedal, Hans-Olav Eggestad & Heidi Grønsten: Climate Change And Pollution Risks Related To Infiltration In Partially Frozen Soils ......................................................... 143 Astrid Voksø, Nils Kristian Orthe, Hege Hisdal & Kolbjørn Engeland: Low Flow Index Map For Norway – Interaction Using GIS-Software And Analysis ..................................................................................................... 154 Johanna Korhonen: Long-Term Changes In Discharge Regime In Finland .. .............................................................................................................. 160 Elga Apsīte, Anda Bakute & Ilze Rudlapa: Climate Change Impacts On The Total Annual Rivers’ Runoff Distribution, High And Low Discharges In Latvia .................................................................................................... 171 Deborah Lawrence, Stein Beldring, Ingjerd Haddeland & Thomas Væringstad: Integrated Framework For Assessing Uncertainty In Catchment-Scale Modelling Of Climate Change Impacts: Application To Peak Flows In Four Norwegian Catchments ............................................. 182 Jannes Stolte & Helen French: Overland Flow Induced By Snowmelt, Effects Of Climate Change ....................................................................... 191 Elga Apsite, Ansis Ziverts & Anda Bakute: Study Of Hydrological Processes For Development Of Mathematical Model METQ .................. 200 Ingjerd Haddeland: Modelling Of Current And Future Water Resources In Northern Europe ........................................................................................ 210 Sveinn T. Thorolfsson, Asle Aasen, Magnar Sekse & Olav Totland: Research And Implementation Of Alternative Stormwater Management In The City Of Bergen, Norway 1981 – 2008 ............................................... 212 4
Session 4: Uncertainty And Extremes In Hydrology ........................... 221 Emiliano Gelati, Ole Bøssing Christensen, Peter Rasmussen & Dan Rosbjerg: Down-Scaling Atmospheric Patterns To Multisite Precipitation Amounts In Southern Scandinavia ............................................................ 223 Ólafur Rögnvaldsson: Dynamical Downscaling Of Precipitation – Part I: Comparison With Glaciological Data ....................................................... 236 Ólafur Rögnvaldsson: Dynamical Downscaling Of Precipitation – Part II: Comparison With Rain Gauge And Hydrological Data ........................... 244 Wei Yang, Johan Andréasson, L. Phil Graham, Jonas Olsson, Jörgen Rosberg & Fredrik Wetterhall: A Scaling Method For Applying RCM Simulations To Climate Change Impact Studies In Hydrology................ 256 Asgeir Petersen-Øverleir: The Net Effect Of Sample Variability & Rating Curve Imprecision In Regional Flood Frequency Analysis ...................... 266 Snorri Árnason: Estimating Bayesian Rating Curves For The Icelandic Hydrometric Network ............................................................................... 275 Olga Kovalenko & Anna Põrh: Flood Risk Of Coastal Areas Tallinn And Pärnu .......................................................................................................... 286 Sveinn T. Thorolfsson, Lars Petter Risholt, Olav Nilsen, Andreas Ellingsson, Vidar Kristiansen, Øystein Hagen & Edgar Karlsen: Extreme Rainfalls And Damages On August 13 2007 In The City Of Trondheim, Norway ...................................................................................................... 295 Bogi Brynjar Björnsson, Esther Hlíðar Jensen, Inga Dagmar Karlsdóttir & Jórunn Harðardóttir: On The Road To A New National Hydrological Database Of Iceland .................................................................................. 302 Kristinn Már Ingimarsson, Birgir Hrafnkelsson, Sigurdur Magnús Garðarsson & Árni Snorrason: Bayesian Estimation Of Discharge Rating Curves ........................................................................................................ 308 VOLUME 2 Session 5: Advanced Methods And Technologies In Hydrological Practice ..................................................................................................... 327 Hervé Colleuille, Stein Beldring, Zelalem Mengistu, Lars Egil Haugen, Trude Øverlie, Andersen Jess & Wai Kwok Wong: Monitoring System For Groundwater And Soil Water Based On Simulations And Real-Time Observations: The Norwegian Experience ............................................... 329 5
Page 1 and 2: NORTHERN HYDROLOGY AND ITS GLOBAL R
Page 3 and 4: NORTHERN HYDROLOGY AND ITS GLOBAL R
Page 5: LIST OF CONTENTS VOLUME 1 Preface .
Page 9 and 10: Astrid Voksø: Using Gis To Calcula
Page 11: PREFACE This is the fifth Nordic Hy
Page 15 and 16: NORTHERN HYDROLOGISTS AND THEIR GLO
Page 17 and 18: In more recent years, Nordic hydrol
Page 19 and 20: a pioneer in Finland’s ice invest
Page 21 and 22: water that can be withdrawn e.g. fo
Page 23 and 24: initiated through Nordic IHD cooper
Page 25 and 26: consolidation of hydrological inves
Page 27 and 28: field, like internal or external po
Page 29 and 30: Bogen, J., Walling, D.E. and Day, T
Page 31 and 32: Tallaksen, L. and van Lanen, H.A.J.
Page 33 and 34: Annex 2 Non-exhaustive list of posi
Page 35 and 36: NORDIC HYDROLOGY IN CLIMATE CHANGE
Page 37 and 38: Lake Urriðavatn is rich on vegetat
Page 39 and 40: under strict requirements on enviro
Page 41 and 42: • The treatment of stormwater is
Page 43 and 44: By using StormTac the concentration
Page 45 and 46: The IKEA lot on the peninsula north
Page 47: SESSION 2: ARCTIC HYDROLOGY AND GLA
Page 50 and 51: INTRODUCTION The problem of the ass
Page 52 and 53: The first approach is based on a co
Page 54 and 55: In accordance with a tendency towar
Page 56 and 57:
ARCTIC HYDRA: THE ARCTIC HYDROLOGIC
Page 58 and 59:
increases) is affecting natural sys
Page 60 and 61:
• To provide feedback to data pro
Page 62 and 63:
SPATIAL PATTERNS OF DECLINE IN PAN-
Page 64 and 65:
(CGCM2, ECHAM4 and CCSR/NIES) and t
Page 66 and 67:
decreasing monitoring density have
Page 68 and 69:
2002. Increasing river discharge to
Page 70 and 71:
for glaciated catchments, where hig
Page 72 and 73:
from 1996 to 2001, and the model wa
Page 74 and 75:
Figure 1. Change in precipitation (
Page 76 and 77:
the other hand, a raise throughout
Page 78 and 79:
Duration of a seasonal snow cover f
Page 80 and 81:
still be snow available during the
Page 82 and 83:
Laternser, M. Schneebeli, M. 2003.
Page 84 and 85:
THERMAL DYNAMICS OF SUB-ARCTIC LAKE
Page 86 and 87:
Figure 1. Lake Lagarfljót site wit
Page 88 and 89:
temperature of maximum density (4°
Page 90 and 91:
Using the observed temperature diff
Page 92 and 93:
temperature of river relative to di
Page 94 and 95:
This analysis suggests that lake in
Page 96 and 97:
THE INITIATION AND DEVELOPMENT OF A
Page 98 and 99:
Figure 1. Discharge measured at Sve
Page 100 and 101:
due to increasing strain in the ice
Page 102 and 103:
DISCUSSION A jökulhlaup from the W
Page 104 and 105:
HYDROLOGIC MODELING OF TWO CANADIAN
Page 106 and 107:
THE SLURP MODEL The SLURP (“Semi-
Page 108 and 109:
The models were calibrated using st
Page 110 and 111:
Monthly runoff Observed and simulat
Page 112 and 113:
Depth [mm] Depth [mm] 1000 800 600
Page 114 and 115:
RADIATION BUDGET IN A SNOW-COVERED
Page 116 and 117:
ICE CONDITIONS IN THE GULF OF RIGA
Page 118 and 119:
Different approach for classificati
Page 120 and 121:
2005 2004 2003 2002 2001 2000 1999
Page 122 and 123:
REFERENCES Kostjukov J. 2002. Ice c
Page 124 and 125:
Hydrological modelling is represent
Page 126 and 127:
PROCESSES AND MORPHOLOGIES OF ICELA
Page 128 and 129:
induced by a rapid temperature incr
Page 130 and 131:
the elapsed time since the most rec
Page 132 and 133:
debris apron formation and/or debri
Page 134 and 135:
Malin, M.C., Edgett, K.S., Posiolov
Page 136 and 137:
134
Page 138 and 139:
significant increases in atmospheri
Page 140 and 141:
P,mm 1000 900 800 700 600 500 400 1
Page 142 and 143:
a days b days c Pmm 30 25 20 15 10
Page 144 and 145:
Libiseller, C., Grimvall, A. 2002.
Page 146 and 147:
Johnsson and Lundin (1991), Baker a
Page 148 and 149:
Figure 2. Conceptual framework for
Page 150 and 151:
Number of days with snow (avg.temp<
Page 152 and 153:
Negative correlation Positive corre
Page 154 and 155:
Soils. U.S. Army Cold Reg. Res. and
Page 156 and 157:
LOW FLOW INDEX MAP FOR NORWAY - INT
Page 158 and 159:
catchments derived automatically fr
Page 160 and 161:
Figure 1. Catchment defined from a
Page 162 and 163:
LONG-TERM CHANGES IN DISCHARGE REGI
Page 164 and 165:
Table 1. Discharge observation peri
Page 166 and 167:
DISCHARGE REGIME IN FINLAND Precipi
Page 168 and 169:
not higher than 10%. Trends at the
Page 170 and 171:
COMPARISON WITH OTHER STUDIES There
Page 172 and 173:
Hyvärinen, V. and Vehviläinen, B.
Page 174 and 175:
Kļaviņš et al. (2004), and river
Page 176 and 177:
Table 1. Distribution of total annu
Page 178 and 179:
and downward trend in 10 of 18 hydr
Page 180 and 181:
Table 2. The results of Mann-Kendal
Page 182 and 183:
Ration Q 30cold / Q annual mean 3 2
Page 184 and 185:
INTEGRATED FRAMEWORK FOR ASSESSING
Page 186 and 187:
Figure 1. Location of catchments us
Page 188 and 189:
two GCMs, two emission scenarios an
Page 190 and 191:
Percentage at or below given value
Page 192 and 193:
Beldring, S., Engeland, K., Roald,
Page 194 and 195:
• Increased precipitation, larges
Page 196 and 197:
Consequences are that the model sho
Page 198 and 199:
Figure 2. Measured and calculated h
Page 200 and 201:
CONCLUSION AND DISCUSSION Figure 2
Page 202 and 203:
STUDY OF HYDROLOGICAL PROCESSES FOR
Page 204 and 205:
The latest version METQ2007BDOPT an
Page 206 and 207:
scenario climate from 2071 to 2100
Page 208 and 209:
Table 2. Optimal parameter values o
Page 210 and 211:
Table 3. The obtained statistical c
Page 212 and 213:
MODELLING OF CURRENT AND FUTURE WAT
Page 214 and 215:
RESEARCH AND IMPLEMENTATION OF ALTE
Page 216 and 217:
companies such as Statoil, Norsk Hy
Page 218 and 219:
Therefore, the second project was o
Page 220 and 221:
2. Development of new technical sol
Page 222 and 223:
220
Page 224 and 225:
222
Page 226 and 227:
physical consistency. Finally, poss
Page 228 and 229:
common weather state, modelled by t
Page 230 and 231:
55 ° N 60 ° N 0 ° 5 ° E 10 ° E
Page 232 and 233:
Modelled lag-0 cross-correlation Mo
Page 234 and 235:
Weather states 100 125 0 0.25 0.5 0
Page 236 and 237:
moisturized by the Baltic Sea. Thus
Page 238 and 239:
DYNAMICAL DOWNSCALING OF PRECIPITAT
Page 240 and 241:
64 ◦ N and 19.5 ◦ W, with a hor
Page 242 and 243:
Figure 2: Overview of the six ice c
Page 244 and 245:
Areal integrals of winter balance o
Page 246 and 247:
comparatively high altitude outlet
Page 248 and 249:
DYNAMICAL DOWNSCALING OF PRECIPITAT
Page 250 and 251:
tions to agree with measurements in
Page 252 and 253:
Figure 3: Ratio [%] of "false alarm
Page 254 and 255:
events (only observed precipitation
Page 256 and 257:
Table 1: Comparison of observed and
Page 258 and 259:
A SCALING METHOD FOR APPLYING RCM S
Page 260 and 261:
al., 1997) for Torpshammar, but for
Page 262 and 263:
where αObs and βObs, αObs,95 and
Page 264 and 265:
Figure 3. Distribution of precipita
Page 266 and 267:
captured. The inclusion of a second
Page 268 and 269:
THE NET EFFECT OF SAMPLE VARIABILIT
Page 270 and 271:
the range of interest, i.e. all the
Page 272 and 273:
Algorithm 1 For u = 1, K, U 1. for
Page 274 and 275:
Table 1. Description of the eight g
Page 276 and 277:
that the total variance can be well
Page 278 and 279:
INTRODUCTION The Icelandic hydromet
Page 280 and 281:
BAYESIAN STATISTICS Bayesian statis
Page 282 and 283:
and discharge adequately. One accep
Page 284 and 285:
Figure 3. The same rating curves as
Page 286 and 287:
in publication by Reitan and Peters
Page 288 and 289:
FLOOD RISK OF COASTAL AREAS TALLINN
Page 290 and 291:
from the hydrometric station Pirita
Page 292 and 293:
measurements in Tallinn coastal sta
Page 294 and 295:
Table 2. The obtained maximum water
Page 296 and 297:
Klibasev, К. And Goroskov, I, 1970
Page 298 and 299:
INTRODUCTION This study is on the f
Page 300 and 301:
Intensitet [l/s·ha] 1000 100 10 Re
Page 302 and 303:
Intensitet [l/s·ha] Intensitet [l/
Page 304 and 305:
ON THE ROAD TO A NEW NATIONAL HYDRO
Page 306 and 307:
Table 1. Main polygons and lines in
Page 308 and 309:
A) B) C) D) Figure 2. Different typ
Page 310 and 311:
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REYKJAVÍK, ICELAND AUGUST 11-13, 2008 - Veðurstofa Íslands

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