A2:

Paleoclimatic perspective on Arctic changes and polar amplification
Main Convener: Kenji Kawamura

April 27 (Monday), Room 201, 14:00-15:30
Chair: Masanobu Yamamoto, Keiji Kawamura
14:00-14:15

A02-O01

14:15-14:30

A02-O02

14:30-14:45

A02-O03

14:45-15:00

A02-O04

15:00-15:15

A02-O05

THE DYNAMIC ARCTIC
O. Ingolfsson*
A MULTIDISCIPLINARY, PAN-ARCTIC NETWORK FOR RESEARCHING ARCTICPALAEOCLIMATEK. O. Strand*, C. O'Cofaigh
INTRODUCTION OF "LONG-TERM PLAN FOR ARCTIC ENVIRONMENTAL RESEARCH,THEME 6: FUTURE ARCTIC ENVIRONMENT EXPLORED FROM PALEOENVIRONMENTALRECORDS" OF JAPANK. Kawamura*THE ‘LITTLE ICE AGE’ WARMING IN THE WEST GREENLAND WATERS BASED ON
DIATOM MICROFOSSILS
D. W. Krawczyk*, A. Witkowski, M. Moros, T. Juul-Pedersen, K. Arendt, J. Mortensen
INSOLATION CONTROL ON THE BEAUFORT GYRE DYNAMICS DURING THE HOLOCENE
M. Yamamoto*, S. I. Nam, L. Polyak, D. Kobayashi, T. Irino, K. Shimada

15:15-15:30

A02-O06

THE FLEETING GLACIERS OF THE ARCTIC
O. Paasche*, J. BakkeApril 27 (Monday), Room 201, 16:00-17:30
Chair: Ayako Abe-Ouchi, Keiji Kawamura
16:00-16:15

A02-O07

THE LATE QUATERNARY OF ARCTIC CANADA: THE INTERPLAY OF CLIMATE, SEALEVEL, ICE, AND OCEANS
A. J. Pienkowski*, M. F. A. Furze

16:15-16:30

A02-O08

THE FENNOSCANDIAN ICE SHEET AS A TRIGGER FOR DANSGAARD-OESCHGER CYCLES

16:30-16:45

A02-O09

16:45-17:00

A02-O10

17:00-17:15

A02-O11

17:15-17:30

A02-O12

C7:K. H. Nisancioglu*, T. M. Dokken
THE INFLUENCE OF GLACIAL ICE SHEETS ON ATLANTIC MERIDIONAL OVERTURNINGCIRCULATION THROUGH ATMOSPHERIC CIRCULATION CHANGE UNDER GLACIAL
CLIMATE
S. Sherriff-Tadano*, A. Abe-Ouchi, M. Yoshimori, A. Oka, W.-L. ChanVARIABILITY OF TERRESTRIAL BIOGENIC IONS OVER THE PAST 128,000 YEARS FROM A DEEPICE CORE DRILLED AT NEEM, GREENLAND
K. Goto-Azuma*, A. Wegner, M. Hirabayashi, M. Hansson, T. Kuramoto, B. Twarloh, H. Motoyama
TOC FLUCTUATION OF MD01-2407 CORE FROM JAPAN SEA AS A PROXIES OFGREENLAND ICE SHEET IN THE GLACIAL PERIODS FOR THE PAST 640 KAF. Kumon*, Y. Takizawa
DRIVERS AND MECHANISMS FOR ENHANCED MID-PLIOCENE SUMMER MONSOONPRECIPITATION OVER EAST ASIA SIMULATED IN THE PLIOMIP
Y. Sun*, T. Zhou, G. Ramstein, C. Contoux, Z. Zhang

The Arctic system; changes and effects with emphasis on freshwater ecosystems
Main Convener: Alexander M. Milner

April 28 (Tuesday), Room 201, 10:45-12:15
Chair: Jon Olafsson
C07-O01

C07-O02

C07-O03

ARCTIC COASTAL TRANSIT AND CYCLIC AQUATIC SYSTEMS’ HYDROLOGICAL AND
GEOCHEMICAL PARTICULARITIES
I. V. Fedorova*, A. A. Chetverova, I. E. Sidorina, O. N. Bobrova, B. Heim, Y. A. Dvornikov,T. V. Skorospekhova, A. Morgenstern, N. K. Shumskaya, A. A. Shadrina
FRESHWATER PATHWAYS IN THE SUB-ARCTIC SEAS FROM THE GREENLANDFRESHWATER EXPERIMENT
D. S. Dukhovskoy*, M. Bourassa, A. Proshutinsky
FRESH WATER AND ITS ROLE IN THE ARCTIC MARINE SYSTEM: SOURCES, DELIVERY,DISPOSITION, STORAGE, EXPORT, AND PHYSICAL AND BIOGEOCHEMICAL CONSEQUENCES
IN THE ARCTIC AND GLOBAL OCEANS
E. Carmack, M. Yamamoto-Kawai*, S. Bacon, B. Bluhm, T. Haine, C. Lique, H. Melling,ASSW2015

1I. Polyakov, F. Straneo, M. L. Timmermans, W. Williams
C07-O04

C07-O05

C07-O06

THE ARCTIC ATMOSPHERIC WATER CYCLE: PAST AND FUTURE CHANGES AND THEIRIMPACTS
T. Vihma*, J. Screen, C. Deser, M. Holland, B. Newton, V. Popova, T. Prowse, M. Tjernstrom,
J. Walsh, X. Zhang
ARCTIC TERRESTRIAL HYDROLOGY: A SYNTHESIS OF PROCESSES, CHANGE DRIVERS ANDRESEARCH CHALLENGES
A. Bring, I. Fedorova*, Y. Dibike, L. Hinzman, J. M. Karlsson, S. H. Mernild, T. Prowse,
O. Semenova, S. Stuefer, M. K. Woo
EPOCH DIFFERENCES IN WATER CYCLES IN EASTERN AND WESTERN SIBERIA DURING THEPAST TWO CENTURIES
K. Oshima*, K. Ogata, H. Park, Y. Tachibana

April 28 (Tuesday), Room 201, 13:45-15:15
Chair: Alexander Milner
C07-O07

FIRE-CAUSED NONSTATIONARITY OF HYDROLOGICAL SYSTEMS IN COLDENVIRONMENTS: THE EXAMPLES FROM OBSERVATIONS AND MODELLING ACROSSRUSSIAN SIBERIA AND FAR EAST
O. Semenova, L. Lebedeva*

C07-O08

STATUS & PROSPECTS OF ARCTIC FRESHWATER EXPORTC07-O09

T. Haine*, B. Curry, R. Gerdes, E. Hansen, M. Karcher, C. Lee, B. Rudels, G. Spreen, L. de Steur,K. Stewart, R. Woodgate
A STUDY OF THE WHOLE YEAR CYCLES OF CYANOBACTERIA/MICROALGAE IN POLAR
HYDROTERRESTRIAL ENVIRONMENTS
D. Tashyreva, M. Pichrtová, J. Elster*C07-O10C07-O11

C07-O12TRACE ELEMENT BIOGEOCHEMISTRY IN THAW LAKES: INFLUENCE OF ORGANICMATTER
J. Canario*, L. Castanheira, T. Duarte, M. da C. Oliveira, J. Ascenso, M. de F. Araujo, G. Vieira,W. Vincent
CHANGES IN POND COMMUNITY ASSEMBLAGES AT A MORAINE OF RAPIDRETREATING GLACIER
J. S. Olafsson*, R. Þ. Magnusdottir
PERMAFROST LAKES IN THE ARCTIC FRESHWATER ARCHIPELAGO
W. F. Vincent*, I. Laurion

April 28 (Tuesday), Room 201, 15:45-17:15
Chair: Warwick Vincent
C07-O13
C07-O14

C07-O15

C07-O16

ARCTIC FRESHWATER SYNTHESIS: SOURCES, FLUXES, STORAGE AND EFFECTS
T. Prowse*, A. Bring, E. Carmack, J. M. Karlsson
CLIMATE CHANGE AND WATER SOURCES IN ARCTIC STREAMS; EFFECTS ONPHYSIOCHEMICAL VARIABLES AND BIOTIC COMMUNITIES.
A. M. Milner*, P. J. Blaen, L. E. Brown, K. K. Khamis, D. M. Hannah
CHANGES TO FRESHWATER SYSTEMS AFFECTING ARCTIC INFRASTRUCTURE AND
NATURAL RESOURCES
A. Instanes*, V. Kokorev, R. Janowicz, O. Bruland, K. Sand, T. Prowse
ARCTIC HYDROLOGICAL CHANGE: MAJOR IMPLICATIONS FOR TERRESTRIAL AND
FRESHWATER ECOSYSTEMS
F. J. Wrona, M. Johansson*, J. Culp, A. Jenkins, J. M. Karlsson, I. M. Smith, T. Prowse,W. Vincent, P. Wookey
MODERATED DISCUSSION

B1:Arctic Climate Change and Potential Mid-latitude Weather Linkages: Large-scale Atmospheric Circulation andStorm Track Dynamics
Main Convener: James E. Overland

April 29 (Wednesday), Room 201, 10:45-12:15
Chair: James E. Overland
B01-O01

DYNAMICS OF THE ARCTIC OSCILLATION AS A DOMINANT INTERNAL VARIABILITY
AND A POSSIBLE LINK TO THE WARMIG HIATUS
H. L. Tanaka*

ASSW2015

2B01-O02
B01-O03

B01-O04

B01-O05

IS THE JET STREAM BECOMING WAVIER IN RESPONSE TO RAPID ARCTIC WARMING?
J. Francis*, S. Vavrus
REGIONAL AND GLOBAL INTERACTIONS BETWEEN ARCTIC SEA ICE AND THE
ATMOSPHERIC CIRCULATION
K. Dethloff*, D. Handorf, R. Jaiser, A. Rinke, B. Crasemann, W. Dorn
ARCTIC IMPACTS ON MID-LATITUDE WEATHER AND CLIMATE: THE RESEARCH
CHALLENGE
J. E. Walsh*, T. Vilma
INTENSIFIED LINKAGE BETWEEN ARCTIC CLIMATE CHANGE AND MIDLATITUDE
EXTREME EVENTS: ROLE OF ATMOSPHERIC CIRCULATION AND STORM TRACKDYNAMICS
X. Zhang, S. Basu, C. Lu, Z. Wang, Z. GuanDISCUSSIONApril 29 (Wednesday), Room 201, 13:45-15:15
Chair: Xiangdong Zhang
B01-O06

B01-O07

B01-O08
B01-O09

B01-O10A NEGATIVE PHASE SHIFT OF THE WINTER AO/NAO DUE TO THE RECENT ARCTIC SEAICE REDUCTION IN LATE AUTUMNT. Nakamura*, K. Yamazaki, K. Iwamoto, M. Honda, J. Ukita, Y. Miyoshi, Y. Ogawa
IMPACT OF SNOW COVER AND SEA ICE ON SUB-SEASONAL TO SEASONAL
PREDICTIONS IN THE ARCTIC
Y. Orsolini*, R. Senan, G. Balsamo, A. Weisheimer, F. Vitart, F. D. Reyes
RECENT RAPID ARCTIC CHANGE AND ITS INFLUENCE ON EAST ASIA WEATHER
S. J. Kim*, B. M. Kim, S. H. Woo, J. H. Kim
SPATIAL-TEMPORAL PATTERNS OF THE COLD SURGE EVENTS IN CHINA IN RECENT 50YEARS AND ITS RELATIONSHIP WITH ARCTIC SEA ICE
F. Huang*, C. Zhu
GREENLAND BLOCKING AS A MECHANISM FOR RECENT ARCTIC/MID-LATITUDE
WEATHER LINKAGES
J. E. Overland*, E. Hanna
DISCUSSION

April 29 (Wednesday), Room 201, 15:45-17:15
Chair: Seong-Joong Kim
B01-O11

B01-O12

B01-O13

ROBUST ARCTIC SEA-ICE INFLUENCE ON THE FREQUENT EURASIAN COLD WINTERS IN
PAST DECADESM. Mori*, M. Watanabe, H. Shiogama, J. Inoue, M. Kimoto
THE EXTREME EUROPEAN COLD SPELL IN 2011/12 WINTER. PART I: ROLES OF ROSSBYWAVE TRAINS AND STORM TRACK FEEDBACKL. Wang*, H. Nakamura, K. Nishii
POTENTIAL ARCTIC IMPACTS ON THE NORTH ATLANTIC JET STREAM
R. J. Hall*, E. Hanna

B01-O14

THE EFFECT OF DOWNWELLING LONGWAVE RADIATION ON ARCTIC SUMMER SEA ICE
M.-L. Kapsch*, R. G. Graversen, M. Tjernstrӧm, T. Economou, R. Bintanja

B01-O15

THE STRUCTURE AND DEVELOPMENT OF ARCTIC CYCLONEST. Aizawa*, H. Tanaka
DISCUSSION

B4:

Arctic snow cover changes and their consequences
Main Convener: Terry V. Callaghan

April 30 (Thursday), Room 201, 10:45-12:15
Chair: Teruo Aoki
10:45-11:00

B04-O01

11:00-11:15

B04-O02

ARCTIC SNOW COVER CHANGES AND THEIR CONSEQUENCES: DEVELOPING A ROAD MAP
FOR RESEARCH AND LONG–TERM MONITORINGT. V. Callaghan*, M. Johansson on behalf of the IASC Snow Meeting Participants, Copenhagen,16-17 October 2014.
CLOUD COVER DICTATES SPRING SNOW COVER, BUT SURFACE TEMPERATURE
CHANGE IS RELATED TO BOTH

ASSW2015

3S. N. Williamson, D. Hik*, J. Gamon
11:15-11:30

B04-O03

SNOW MICROSTRUCTURE AND MODELLING IN SUPPORT OF PERMAFROST SCIENCE
M. Proksch, I. Gouttevin, M. Langer, P. Ebner, C. Fierz, M. Schneebeli*

11:30-11:45

B04-O04

IMPACTS OF CHANGING WINTER SNOW CONDITIONS FOR ARCTIC ECOSYSTEMS
S. Bokhorst*

11:45-12:00

B04-O05

HIGH ARCTIC PLANT RESPONSES TO CHANGES IN SNOW COVER
E. J. Cooper*

12:00-12:15

QUESTIONS AND DISCUSSION

April 30 (Thursday), Room 201, 13:45-15:15
Chair: Margareta Johansson
13:45-14:00

B04-O06

14:00-14:15

B04-O07

14:15-14:30

B04-O08

14:30-14:45

B04-O09

14:45-15:15

EFFECTS OF CHANGING SNOW CONDITIONS ON REINDEER HUSBANDRY IN ARCTICSWEDEN
G. Rosqvist*, N. IngaTHERMAL AND HYDROLOGICAL CONTROLS OVER ORGANIC MATTER REDISTRIBUTION IN
GLACIAL SNOW COVER
K. Koziol*, E. Brown, N. Rutter, H. Moggridge, A. Hodson
CHEMISTRY OF SNOW COVER AND ACIDIC SNOWFALL DURING A SEASON WITH HIGHLEVEL AIR POLLUTION AT HANSBREEN GLACIER, SPITSBERGEN
K. Migala*, A. P. Nawrot, B. Luks, K. Migała, P. Głowacki
SNOW COVER IN RUSSIAN ARCTIC CITIES DUE TO CLIMATE CHANGE
M. N. Ivanov*
GENERAL DISCUSSION: BUILDING A ROAD MAP FOR FUTURE RESEARCH ANDMONITORING
Moderated by M. Schneebeli

ASSW20154