ライフサイエンスコーパス: ice cover

1 al conditions (low temperatures and seasonal ice cover).

2 high-resolution in situ marine proxy for sea-ice cover.

3 mean d (2) among stranded seals explained by ice cover.

4 , possibly associated with reductions in sea-ice cover.

5 tures and associated decreases in winter sea-ice cover.

6 with important guest appearances by surface ice cover.

7 time removing gases trapped in the ablating ice cover.

8 possibly protected from harsh conditions by ice cover.

9 iched microbial "oasis" embedded in the lake ice cover.

10 rn if there were a rectified response in sea ice cover.

11 of reactive materials in areas of permanent ice cover.

12 he central EAIS despite millions of years of ice cover.

13 munities during ice formation and persistent ice cover.

14 g lake ice formation and times of persistent ice cover.

15 activity, and high variability of Arctic sea-ice cover.

16 rapid warming, associated with a retreat in ice cover.

17 icrobial community increased during times of ice cover.

18 ying taxa were significantly enriched during ice cover.

19 rsity during the transitions into and out of ice cover.

20 or those that experience periods of snow and ice cover.

21 s, reflecting the increase in seasonality in ice cover.

22 timing is temporally matched to seasonal sea ice cover.

23 ts, both bearing information on the past sea-ice cover.

24 with the Arctic Ocean shifting to a seasonal ice cover.

25 ommunities related to presence or absence of ice cover.

26 quilibrium of PCBs partition when lakes were ice covered.

27 Besides the vastly decreased ice cover (- 28,707 km(2) +/- 9767 km(2)), we find a dou

28 In contrast, it took the Arctic sea ice cover a full 3 decades to register a loss that great

29 A few longer time series reveal reduced ice cover (a warming trend) beginning as early as the 16

30 4 masculineN), inter-annual variation in sea ice cover also explained a major part (up to 47%) of the

31 laciers document a rapid pace in the loss of ice cover and a ~5.4-fold increase in the thinning rate,

32 determined from samples taken just below the ice cover and at a depth of 12 m, respectively.

33 focus on Heinrich Stadials (HS), between sea-ice cover and bottom water temperature (BWT) during Mari

34 oxy records of Arctic Ocean temperature, sea ice cover and circulation.

35 e differences may result from the higher sea ice cover and decreased NPP during +SAM/La Nina periods.

36 The results demonstrate that sea ice cover and demographic factors have a greater influen

37 Sea ice cover and duration predetermine levels of phytoplank

38 mospheric temperatures lead to increased sea ice cover and formation rate around Antarctica.

39 veal the persistent presence of seasonal sea ice cover and open water phytoplankton blooms during bot

40 reased in recent decades because of thinning ice cover and proliferation of melt ponds.

41 climate change-induced trends in Arctic sea-ice cover and temperature.

42 avity, hydrodynamic force, deflection of the ice cover and the initial conditions.

43 ected in periods of extensive vs. restricted ice cover and the modification of much of the Antarctic

44 a circular cylinder approaching obliquely an ice cover and the response of ice to this motion are inv

45 Possible future changes in Arctic sea ice cover and thickness, and consequent changes in the i

46 0-180 Hz frequency band with and without sea ice cover and under various noise conditions.

47 Canadian Basin of the Arctic Ocean, largely ice covered and isolated from deep contact with the more

48 in the Petrozavodsk Bay of Lake Onega during ice-covered and ice-free periods.

49 or several millions of years, with most land ice-covered and much of the ocean seasonally freezing.

50 l surveys of MeHg concentrations, during the ice-covered and open water seasons, across a hydrologic

51 roductivity, biome diversity and glacial era ice cover) and fine-scale (local) environmental conditio

52 bility to reconstruct variability in T(min), ice cover, and continental-scale atmospheric circulation

53 limited air-water exchange of oxygen due to ice cover, and minimal circulation.

54 erated meltstream water at the bottom of the ice cover, and predicted that this physical mechanism sh

55 um temperatures (T(min)), Lake Superior peak ice cover, and regional to continental-scale atmospheric

56 val, then increased temperature, reduced sea-ice cover, and stronger winds are affecting the populati

57 driver of changes in the Arctic snow cover, ice cover, and surface albedo since the 1980s.

58 response to changing wind dynamics, reduced ice cover, and their associated impact on limnological p

59 eractions between ocean-ice heat fluxes, sea ice cover, and upper-ocean eddies that constitute a posi

60 sea level pressure (SLP), freshwater input, ice cover], and PCs 1-2 of 36 biological time series [pr

61 ere, we examined bacterial diversity in five ice-covered Antarctic lakes by 16S rRNA gene-based pyros

62 spreading Lena Trough at 81 degrees N in the ice-covered Arctic Ocean.

63 ere are only sparse eddy observations in the ice-covered Arctic Ocean.

64 e, we show that pronounced changes in annual ice cover are accompanied by equally important shifts in

65 The duration and extent of ice cover are critical for planetary habitability, both

66 gin and that primary production rate and sea-ice cover are major drivers of its concentration in the

67 plification of warming and loss of perennial ice cover are set to dramatically alter available Arctic

68 Although the timing and duration of ice covers are known to regulate ecological processes in

69 ic polynyas-large openings in the winter sea ice cover-are thought to be maintained by a rapid ventil

70 Summit ice cover (areal extent) decreased approximately 1% per

71 s in Arctic sea ice dynamics as historically ice-covered areas become increasingly ice-free during su

72 intessential habitat for bowhead whales, and ice-covered areas have frequently been interpreted as pr

73 om the other 4 sectors and the Antarctic sea ice cover as a whole).

74 in nitrogen cycling bloomed during times of ice cover as sequences related to known nitrifying taxa

75 Ice cover assessments were conducted for the month of Fe

76 om either highly productive ocean margins or ice-covered basins before the recent major ice retreat.

77 of lakes beneath a thin (<3.166 kilometers) ice cover, because a stable layer isolates the well-mixe

78 When the bay was ice-covered, both the aromaticity and the size of HS var

79 these landforms consist of a core of flowing ice covered by a rocky lag.

80 ic evasion is not significant throughout the ice-covered central Arctic Ocean but mainly occurs in th

81 n Chl a trends reflects shifting patterns of ice cover, cloud formation, and windiness affecting wate

82 Sandy sediment beaches covering 70% of non-ice-covered coastlines are important ecosystems for nutr

83 owhead calls is substantially greater during ice-covered conditions than during open-water conditions

84 ve satellite sensor challenges in low-light, ice-covered conditions.

85 plasma tended to decrease with elevation and ice cover consistent with published data and model outco

86 The ice cover contains frozen microbial mats throughout that

87 ected to reduce northern hemisphere snow and ice cover, continued increase in atmospheric greenhouse

88 al losses of sea-ice habitat, or whether sea-ice cover crosses a tipping point and irreversibly colla

89 an sea surface temperature, reduction in sea ice cover, declines in suitable habitat, and shifts in s

90 is study analyzed multiple factors including ice cover, demographics, and genetic diversity, which co

91 we have only limited data of past Arctic sea-ice cover derived from short historical records, indirec

92 on maritime navigability in the Arctic, but ice cover diminution due to anthropogenic climate change

93 lly used to model oil movement under varying ice cover, does not apply to oil fate modeling in ice co

94 ration and occurrence of northern hemisphere ice cover due to recent climate warming is well-document

95 how that the latitudinal interaction between ice cover duration and light flux seasonality has profou

96 Widespread shortening of ice-cover duration in a warmer world might improve winte

97 Changes in ice-cover duration will alter MeHg production and bioacc

98 We find that decreased sea-ice cover during early winter months (November-December)

99 a-level records to constrain areal extent of ice cover during glacial intervals with sparse geologica

100 ding with enhanced Northern Hemisphere polar ice cover during the Pleistocene.

101 a ice mitigate this when the Arctic Ocean is ice covered during a sufficiently large fraction of the

102 amic; in contrast, East Greenland was mostly ice-covered during the mid-to-late Pleistocene.

103 Cometary comae are a mixture of gas and ice-covered dust.

104 years ago could have episodically melted an ice-covered early ocean.

105 tectonic history and landscape evolution of ice-covered East Antarctica are the least known of any c

106 regulate ecological processes in seasonally ice-covered ecosystems, the consequences of shortening w

107 est that this, in concert with increased sea-ice cover, enabled positive buoyancy anomalies to 'escap

108 Strong winds fracture the ice cover, enhance ocean-ice-atmosphere heat fluxes, and

109 terize physical features such as clouds, sea ice cover, etc.

110 onsidered proxies for possible life forms on ice-covered extraterrestrial bodies.

111 A consolidated ice cover facilitates the depletion of Hg(0) and ozone,

112 da suggest those locations were continuously ice covered for > 40 kyr, but are now ice-free.

113 seasonal changes with some systems remaining ice-covered for most of the winter.

114 Pine Island Bay gyre caused by prolonged sea-ice cover from April 2020 to March 2021 allowed meltwate

115 adean eon (>4Ga) may have had a periodically ice-covered global ocean and limited subaerial landmass,

116 k evolution by promoting the rapid growth of ice-covered grains.

117 When low prey biomass coincided with high ice cover, gray whales experienced major mortality event

118 n = 3), in a large (63,000 km(2)), partially ice-covered gulf in the Canadian Arctic.

119 The dramatic loss of Kilimanjaro's ice cover has attracted global attention.

120 eddy field have been intensifying as the sea ice cover has been declining.

121 ce brines collected on the surfaces of thick ice covers has implications for analyses of expelled mat

122 rest distribution and reductions in snow and ice cover have major implications for ecosystems and glo

123 ocean dynamics and its interaction with the ice cover have received little attention.

124 were characterized by extensive seasonal sea ice cover, high water column and sediment carbon product

125 k from central Greenland, suggesting similar ice-cover histories across the GrIS.

126 he Snowball Earth hypothesis predicts global ice cover; however, previous descriptions of Cryogenian

127 control erosion rates more than do extent of ice cover, ice flux or sliding speeds.

128 xtremes in ice extent ranging from expansive ice cover in 2010 and 2011 to nearly ice-free waters in

129 eased with elevation and year-round snow and ice cover in both plasma and eggs, indicating long-range

130 nt climate, with comparable areas of ice/sea-ice cover in each hemisphere, and would represent the cu

131 During the early Pleistocene epoch, ice cover in East Greenland was dynamic; in contrast, Ea

132 The ice cover in high mountain lakes breaks up and disappear

133 2012 exhibited the lowest Arctic summer sea-ice cover in historic times.

134 an in general and the fate of the Arctic sea ice cover in particular.

135 typically simulate a receding Antarctic sea ice cover in response to increasing greenhouse forcing.

136 to an atmospheric-warming-induced decline in ice cover in spring that decreases CO2 accumulation unde

137 sing seawater temperature and decreasing sea ice cover in Svalbard, we document rapid and extensive s

138 Sea ice cover in the Arctic and Antarctic is an important in

139 nt, particularly in the rapid decline of sea ice cover in the Arctic.

140 Spring sea ice cover in the Barents-Kara Seas (BKS) exhibits notabl

141 thus explaining the recent reduction in sea-ice cover in the eastern Eurasian Basin.

142 negative correlation (R (2) = 0.49) between ice cover in the Gulf of St.

143 d response between an extensive seasonal sea ice cover in the Nordic Seas during cold stadials and re

144 500 cal B.P. coincided with extensive summer ice cover in the western Arctic Ocean, persistence of a

145 gas loss may occur by advection through the ice cover, including approximately 75% of the N2, approx

146 ive amount of light arriving in lakes during ice cover increases non-linearly with latitude and that

147 eeze, often resulting in oxygen depletion as ice cover inhibits water column ventilation and snow cov

148 termine whether comets formed primarily from ice-covered interstellar grains, or from material that w

149 atiles in comet Hyakotake may have come from ice-covered interstellar grains, rather than material pr

150 When ice cover is absent, PCBs were mainly adsorbed on microp

151 ker broken or moved) showed that reduced sea ice cover is correlated with disturbance and mortality o

152 f the 5 sectors into which the Antarctic sea ice cover is divided all also have 40-y positive trends

153 Loss of the ice cover is expected to affect the Arctic's freshwater

154 ably from lake to lake, the thickness of the ice cover is remarkably consistent, ranging from 3.5 to

155 The ice cover is stabilized by a negative feedback between i

156 ctic, contain numerous lakes whose perennial ice cover is the cause of some unique physical and biolo

157 the most dynamic component of the Arctic sea ice cover is the marginal ice zone (MIZ), the transition

158 with increasing temperature and receding sea-ice cover, is tightly connected to lower latitudes throu

159 ydomonas sp. UWO241 evolved in a permanently ice-covered lake whose aquatic environment is characteri

160 ated in Eastern Antarctica, is a perennially ice-covered lake.

161 Antarctic ice-covered lakes are exceptional sites for studying the

162 n several closed basins in which perennially ice-covered lakes are found.

163 Freezing in ice-covered lakes causes dissolved gases to become super

164 Perennially ice-covered lakes in the McMurdo Dry Valleys, Antarctica

165 treme and unique biogeochemical gradients of ice-covered lakes in the McMurdo Dry Valleys.

166 Perennially ice-covered lakes that host benthic microbial ecosystems

167 lved oxygen (DO) is an essential resource in ice-covered lakes, regulating water quality and biodiver

168 However, in the vast majority of seasonally ice-covered lakes, which are small, continued climate wa

169 veyed the submerged peaks of the permanently ice-covered Langseth Ridge, a tectonic feature comprisin

170 y (NPP) and the annual variation in seasonal ice cover make the Amundsen Sea coastal polynya an ideal

171 ge over drastic seasonal transitions and how ice cover may affect microbial abundance and diversity.

172 isolated from the atmosphere by a continuous ice cover may be distinguished from one in which cracks

173 en loss of the remaining wintertime-only sea ice cover may be likely.

174 o those protected by virtually permanent sea ice cover (McMurdo Sound).

175 odeling results indicated that seasonal lake ice cover melt, and varying contributions of input from

176 ndertaken in the Canadian High Arctic during ice-covered, melting, and ice-free conditions.

177 sites of deepwater formation, but winter sea ice covered much of these source areas during the last d

178 dback mechanism, where the reduction in lake ice cover not only reduces the insulating effect between

179 cues (variation in temperature and snow and ice cover) occurring over the course of short periods, w

180 solution gravity field of poorly charted and ice-covered ocean near West Antarctica, from the Ross Se

181 buted to sea breeze (cold air advection from ice-covered ocean onto adjacent land during the growing

182 Saturn's moon Enceladus has an ice-covered ocean; a plume of material erupts from crack

183 ermally stratified and the high-latitude sea ice-covered oceans that characterize our planet.

184 However, cold, salty, ice-covered oceans-a salient prediction of snowball Eart

185 The permanent ice cover of Lake Vida (Antarctica) encapsulates an extr

186 nal occurrence of a large opening in the sea-ice cover of the Weddell Sea, Antarctica, a phenomenon k

187 The permanent ice covers of Antarctic lakes in the McMurdo Dry Valleys

188 Climate change is reducing winter ice cover on lakes; yet, the full societal and environme

189 Consistent with a warming climate, ice cover on the Great Lakes is in decline, thus the ice

190 of the first in-lake experiments to postpone ice-cover onset (by 21 d), thereby extending light avail

191 Models permit oceans with either total ice cover or substantial areas of open water.

192 r column during snowmelt periods compared to ice-covered or ice-free periods.

193 Once thought to be devoid of life, the ice-covered parts of Antarctica are now known to be a re

194 e scientists have paid less attention to the ice cover period, leading to data and theory gaps about

195 ive (overwintering) consumers throughout the ice-covered period, associated with augmented storage of

196 ly governed by thermodynamic laws during the ice-covered period, while none of the tested physical or

197 morphometric scaling emerged partly because ice-cover periods have shortened 2.2 times faster in lar

198 e consistent between snowmelt, ice-free, and ice-covered periods, which is ascribed to the delivery o

199 loss is expected to take place over the sea-ice covered polar region, when sea ice is not fully reco

200 r gas exchange, but spend months per year in ice-covered ponds without lung breathing.

201 Of the ice cover present in 1912, 85% has disappeared and 26% o

202 Trapped bubbles in a subliming ice cover provide a natural "fluxmeter" for gas exchange

203 Leads in the dynamic ice cover provided added sunlight necessary to initiate

204 elationship between planetary albedo and sea ice cover, quantities inferred from two independent sate

205 esent increased volatility of a thinning sea-ice cover, rather than tipping-point behaviour.

206 is constrained by the limitations of the sea-ice cover record, preliminary statistical analyses of on

207 e, Lake Vida has the thickest subaerial lake ice cover recorded and may represent a previously undisc

208 Generally, glacials experienced extended sea-ice cover, reduced bottom-water export and Weddell Gyre

209 e low primary production in this permanently ice-covered region, these trails may relate to feeding b

210 which we calculate the mass change over all ice-covered regions greater in area than 100 km(2).

211 otal contribution to sea level rise from all ice-covered regions is thus 1.48 +/- 0.26 mm (-1), which

212 ting the appropriate usage of dispersants in ice-covered regions.

213 ing and elevated turbidity in the absence of ice cover resulted in light limitation of the phytoplank

214 Sea-ice cover retreated during the deglaciation approximatel

215 Projections of sea ice cover retreating preferentially from the eastern Arc

216 'zero-age' volcanic terrain on this remote, ice-covered ridge.

217 ions amplify multidecadal variability in sea-ice cover, sea surface temperatures (SST) and Tas from t

218 lly, protections against marine pollution in ice-covered seas enshrined in Article 234 of the United

219 tion of the ice layer towards the end of the ice cover season when fatal winter drownings occur most

220 During the non-ice cover season, tailings ponds emissions contributed 1

221 ted conditions in summer carried over to the ice-cover season, because fetch size limited wind-driven

222 During the ice-covered season, MeHg concentrations in lake waters w

223 n annual extent, distribution, and length of ice-covered season.

224 with photochemical implications are shorter ice-cover seasons and enhanced duration of summer strati

225 continuum of climates ranging from a nearly ice-covered Snowball Earth to a nearly ice-free hothouse

226 diate depth water (AIW) temperatures and sea-ice cover spanning the last 1.5 million years (Ma) of or

227 Widespread spring sea-ice cover (SpSIC) dominated the studied interval, especi

228 feedback promotes the existence of multiple ice-cover states, the stabilizing thermodynamic effects

229 melt ponds, and near-surface seawater at two ice-covered stations located north of the Barents Sea (8

230 Expansive ice cover supported phytoplankton blooms of filamentous

231 A spatiotemporal analysis of sea ice cover that accounts for the habitat of ringed seals

232 out, enhanced solar absorption, and reduced ice cover the next autumn.

233 a, including the evolution of the Arctic sea ice cover, the El Nio Southern Oscillation (ENSO), the A

234 The ice cover thickens at both its base and surface, sealing

235 y composition was found between ice-free and ice-covered time periods with significantly different co

236 apidly transforming from a thicker multiyear ice cover to a thinner and largely seasonal first-year i

237 ond which the ice-albedo feedback causes the ice cover to melt away in an irreversible process.

238 rocesses associated with the transition from ice-covered to ice-free Arctic Ocean conditions.

239 anic processes, particularly diminishing sea ice cover, upper ocean warming, and increasing and prolo

240 tied to high-latitude climate and Antarctic ice cover variations.

241 for small mammal richness, while glacial era ice cover was the most important site-level predictor.

242 Saturn's moon Enceladus harbours a global(1) ice-covered water ocean(2,3).

243 in petroleum oil, yet their behavior in sea-ice-covered waters remains poorly studied.

244 bust tool for assessing oil spill impacts in ice-covered waters, improving response strategies and ri

245 d to predict the movement and fate of oil in ice-covered waters.

246 ited when describing the behavior of PAHs in ice-covered waters.

247 he optimal approach for modeling oil fate in ice-covered waters.

248 satellite images of resuspension events and ice cover, wave hindcasts, and continuous turbidity meas

249 has doubled since 2000 due to a more mobile ice cover, which can partly explain the recent drastic i

250 n centered on the annual minimum (September) ice cover, which is often seen as particularly susceptib

251 disintegration of North Atlantic winter sea ice cover, which steepened the interhemispheric meridion

252 It is likely that perennial ice cover will again disappear from the region, and tree

253 Due to the long ice-covered winter period, we expected to find general b

254 to a thinner and largely seasonal first-year ice cover with significant consequences for Arctic prima

255 Total ice cover would make an anoxic ocean likely, and would b