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

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Northern Hydrology and its Global Role Editors: Óli Grétar Blöndal Sveinsson Sigurður Magnús Garðarsson Sigurlaug Gunnlaugsdóttir Reykjavik 2008 Icelandic Hydrological Committee Grensásvegur 9 IS 108 Reykjavik Iceland Volume 1 ISBN 978-9979-68-238-7 Nordic Hydrological Programme NHP Report no. 50
LIST OF CONTENTS VOLUME 1 Preface ........................................................................................................... 9 Plenary Session 1 ....................................................................................... 11 Arne Tollan: Northern Hydrologists And Their Global Roles ................... 13 Upmanu Lall: Climate Change And Variability: How Can We Inform Strategies For Adaptation ............................................................................ 32 André Musy & René Roy: Nordic Hydrology In Climate Change Context: The Ouranos Experience In Québec ........................................................... 33 Sveinn T. Thorolfsson: Urban Hydrology And Sustainable Urban Drainage At Lake Urridavatn In Gardabaer, Iceland .................................................. 34 Session 2: Arctic Hydrology And Glaciers ............................................. 45 Valery Vuglinsky: Changes In Ice Regimes Of Rivers In The Northern Part Of European Russia ..................................................................................... 47 Thorsteinn Thorsteinsson, Arni Snorrason, Charles Vörösmarty & Jonathan Pundsack: Arctic HYDRA: The Arctic Hydrological Cycle Monitoring And Assessment Program ........................................................................... 54 Arvid Bring & Georgia Destouni: Spatial Patterns Of Decline In Pan-Arctic Hydrological Monitoring Networks: A Vulnerability Map ........................ 60 Jan Magnusson, Tobias Jonas, Ignacio López-Moreno & Michael Lehning: Potential Impact Of Climate Change On The Snowpack In A Partly- Glaciated Basin In Central Switzerland ...................................................... 67 Hrund Ó. Andradóttir: Thermal Dynamics Of Sub-Arctic Lake Lagarfljót, Iceland ......................................................................................................... 82 Bergur Einarsson, Thorsteinn Thorsteinsson & Tómas Jóhannesson: The Initiation And Development Of A Jökulhlaup From The Subglacial Lake Beneath The Western Skaftá Cauldron In The Vatnajökull Ice Cap, Iceland ................................................................................................................ 94 Peter F. Rasmussen, Sung Joon Kim & Woonsup Choi: Hydrologic Modeling Of Two Canadian Watersheds Using The North American Regional Reanalysis Data ......................................................................... 102 3
Page 1 and 2: NORTHERN HYDROLOGY AND ITS GLOBAL R
Page 3: NORTHERN HYDROLOGY AND ITS GLOBAL R
Page 7 and 8: Session 4: Uncertainty And Extremes
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
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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 (
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the other hand, a raise throughout
Page 78 and 79:
Duration of a seasonal snow cover f
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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
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Figure 1. Lake Lagarfljót site wit
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temperature of maximum density (4°
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Using the observed temperature diff
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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
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Figure 1. Discharge measured at Sve
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due to increasing strain in the ice
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DISCUSSION A jökulhlaup from the W
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HYDROLOGIC MODELING OF TWO CANADIAN
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THE SLURP MODEL The SLURP (“Semi-
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The models were calibrated using st
Page 110 and 111:
Monthly runoff Observed and simulat
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Depth [mm] Depth [mm] 1000 800 600
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RADIATION BUDGET IN A SNOW-COVERED
Page 116 and 117:
ICE CONDITIONS IN THE GULF OF RIGA
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Different approach for classificati
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2005 2004 2003 2002 2001 2000 1999
Page 122 and 123:
REFERENCES Kostjukov J. 2002. Ice c
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Hydrological modelling is represent
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PROCESSES AND MORPHOLOGIES OF ICELA
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induced by a rapid temperature incr
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the elapsed time since the most rec
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debris apron formation and/or debri
Page 134 and 135:
Malin, M.C., Edgett, K.S., Posiolov
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134
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significant increases in atmospheri
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P,mm 1000 900 800 700 600 500 400 1
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a days b days c Pmm 30 25 20 15 10
Page 144 and 145:
Libiseller, C., Grimvall, A. 2002.
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Johnsson and Lundin (1991), Baker a
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Figure 2. Conceptual framework for
Page 150 and 151:
Number of days with snow (avg.temp<
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Negative correlation Positive corre
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Soils. U.S. Army Cold Reg. Res. and
Page 156 and 157:
LOW FLOW INDEX MAP FOR NORWAY - INT
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catchments derived automatically fr
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Figure 1. Catchment defined from a
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LONG-TERM CHANGES IN DISCHARGE REGI
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Table 1. Discharge observation peri
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DISCHARGE REGIME IN FINLAND Precipi
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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
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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,
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• Increased precipitation, larges
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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
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The latest version METQ2007BDOPT an
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scenario climate from 2071 to 2100
Page 208 and 209:
Table 2. Optimal parameter values o
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Table 3. The obtained statistical c
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MODELLING OF CURRENT AND FUTURE WAT
Page 214 and 215:
RESEARCH AND IMPLEMENTATION OF ALTE
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companies such as Statoil, Norsk Hy
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Therefore, the second project was o
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2. Development of new technical sol
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220
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222
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physical consistency. Finally, poss
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common weather state, modelled by t
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55 ° N 60 ° N 0 ° 5 ° E 10 ° E
Page 232 and 233:
Modelled lag-0 cross-correlation Mo
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Weather states 100 125 0 0.25 0.5 0
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moisturized by the Baltic Sea. Thus
Page 238 and 239:
DYNAMICAL DOWNSCALING OF PRECIPITAT
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64 ◦ N and 19.5 ◦ W, with a hor
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Figure 2: Overview of the six ice c
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Areal integrals of winter balance o
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comparatively high altitude outlet
Page 248 and 249:
DYNAMICAL DOWNSCALING OF PRECIPITAT
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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
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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
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captured. The inclusion of a second
Page 268 and 269:
THE NET EFFECT OF SAMPLE VARIABILIT
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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
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and discharge adequately. One accep
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Figure 3. The same rating curves as
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in publication by Reitan and Peters
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FLOOD RISK OF COASTAL AREAS TALLINN
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from the hydrometric station Pirita
Page 292 and 293:
measurements in Tallinn coastal sta
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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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