Sea ice extend (winter)

Slides:

Advertisements

Similar presentations

What creates different climates in Canada and what impact does climate have on human activity? The Climates of Canada.

Advertisements

Climate Change: Science and Modeling John Paul Gonzales Project GUTS Teacher PD 6 January 2011.

Climate Change Science

A Melting Planet.

Weather Week 6, Need to understand Local influences on weather Tasmania’s weather!! This is the small-file version of my PowerPoint presentation. Please.

Climatic changes in the last 200 years (Ch. 17 & 18) 1. Is it warming? --climate proxy info (recap) -- info from historical & instrumental records 2. What.

Circulation changes on Antarctic Peninsula from ice cores Liz Thomas 1, Gareth Marshall 1 Joe McConnell 2 & Paul Dennis 3 1.British Antarctic Survey 2.Desert.

GLACIERS AND CLIMATE Mass balance ELA Milankovic cycle Albedo feedbacks Quelcaya ice cap, Peru.

Weather, Climate, Air Masses, and Global Winds

What creates different climates in Canada and what impact does climate have on human activity? The Climates of Canada.

Modeling the mass balance of the Wolverine Glacier, Alaska USA using the PTAA model David L Korn, NSIDC, University of Colorado, Boulder,

Global Warming Fact and Fiction. Some Critical Findings Global temperatures have increased C the past 100 years Global temperatures have increased.

Martin Sommerkorn WWF International Arctic Programme.

Samayaluca Dune Field, south of Juarez, Chihuahua Global Climate Change.

TRENDS IN U.S. EXTREME SNOWFALL SEASONS SINCE 1900 Kenneth E. Kunkel NOAA Cooperative Institute for Climate and Satellites - NC David R. Easterling National.

SNC2D Brennan Climate Change. Paleoclimate record Ice samples Sediment cores Pollen records Peat Bogs Fossil records Proxies –Use data that represents.

Objective: To know that California’s climate is primarily Mediterranean and Highland.

 A glacier is a thick mass of ice, composed of compacted and recrystallized snow that forms over thousands of years.  Glacier only flow or move over.

Polar Prediction The Scientific Challenges - Antarctica John Turner British Antarctic Survey Cambridge, UK.

Global Climate Change: Environmental Consequences.

RESULTS OF RESEARCH RELATED TO CHARIS IN KAZAKHSTAN I. Severskiy, L. Kogutenko.

Sea Ice, Ice Shelves, and Polynyas. Sea Ice Formation --in Antarctica, begins forming in late summer with winds from the continent, evaporative cooling.

Global Climate Change. 150 Authors 1,000 Contributing Authors 5 Years Work 130 Countries 1,000 Expert Reviewers The IPCC WGI Report.

Lecture 32: Instrumental Observations Ch. 17. How has surface air temperature changed since 1800s? How have glaciers and sea level change in the past.

Western Antarctica & Antarctic Ice Shelves Eric Leibensperger EPS 131.

Arctic Sea Ice – Now and in the Future. J. Stroeve National Snow and Ice Data Center (NSIDC), Cooperative Institute for Research in Environmental Sciences.

Introduction to Meteorology UNIT 10 STANDARDS: NCES 2.5.1, 2.5.2, 2.5.3, 2.5.4, 2.5.5, LESSON 1.

Permanent Ice Regions (Antarctica). the ice sheet covering the majority of the continent is highly reflective and doesn't absorb warmth.

Climate tendencies in the South Shetlands: was 1998 a climate divider ? Alberto Setzer, Francisco E. Aquino and Marcelo Romao O. CPTEC - INPE - Brazil.

Antarctic Marine Protected Areas: a strategy for robust, science-based conservation George M. Watters Southwest Fisheries Science Center Thanks to: A.

Introduction Conclusion and Future Work An Antarctic Cloud Mass Transport Climatology J. A. Staude, C. R. Stearns, M. A. Lazzara, L. M. Keller, and S.

EARTH’S CLIMATE PAST and FUTURE SECOND EDITION CHAPTER 17 Climatic Changes Since the 1800s WILLIAM F. RUDDIMAN © 2008 W. H. Freeman and Company.

CE 401 Climate Change Science and Engineering evolution of climate change since the industrial revolution 9 February 2012

The Antarctic Ice Sheets. Antarctic Geography Antarctica is a continent twice the size of Australia, or the USA plus Mexico, and 58 times the size of.

Comparing the Recession of Glaciers in the Torngat Mountains with Cirque Glaciers of the Canadian Rockies George Hill GE354 9 December 2015.

Let’s get something straight around here.. Weather Weather is the sum of all physical properties such as: temperature, atmospheric pressure, humidity,

Antisana Ecuador ©B.F.. The recent retreat of glaciers in the world Consequences for the global environment Antisana Ecuador ©B.F. Dr Bernard Francou.

Recent decades of climate and cryospheric change on the Antarctic Peninsula David G. Vaughan British Antarctic Survey.

Global Environmental Change Climate Change, Global Warming… …what’s going on?

If so, how can we prove it? Why should we care? Is Colorado’s Climate Changing?

Global Warming Environmental Science January 4, 2011.

Ice Loss Signs of Change. The Cryosphere  Earth has many frozen features including – sea, lake, and river ice; – snow cover; – glaciers, – ice caps;

El Niño Phenomenon Relation with the Glaciers Retreat in the Andes By Juan Pablo Galarza, Maria Emilia Andrade and Juan Andrés Cajiao.

Social Studies 6th Grade Second 9 weeks

Evidence of a Changing Climate

UK Climate is Temperature – Cool, Wet Winters and Warm, Wet Summers

Active layer and Permafrost monitoring programme in Northern Victoria Land. Mauro Guglielmin (1) (1) Sciencies Faculty, Insubria University, Via J.H.Dunant.

Radiation Balance and Feedbacks

ENSO Impacts in Central Andes

Impact of Climate Change on Peri-Glacial Environments

North American Regional Climate Change Assessment Program

Water and the Atmosphere – Chapter 4 Lesson 4

Intergovernmental Panel on Climate Change

Unit 1: Water Systems on Earth

The Atmosphere Ch 7 pg

Mr. Good Environmental Science

Weather and Climate – Part 1

THE EARTH’S CLIMATE SYSTEM

Station 1: Glaciers & Snow Cover

EARTH’S WATERS: 1.2: Fresh Water Flows and Freezes on Earth

Location, Location, Location

Weather Notes Part 3.

Temperature Conversion

Signs and impact of Global Climate Change

Taught by Mohammed Al Nami

Weather Station Models

What creates different climates in Canada and what impact does climate have on human activity? The Climates of Canada.

Oceanic Circulation and ENSO

WEATHER UNIT VOCABULARY

Presentation transcript:

Sea ice extend (winter) Limit (coupled) Sea ice extend (winter) Antarctic atmospheric front

King George Island An ice field with 70 drainage basins 92% ice covered (1044 km2)

King George Island has lost 7% of its ice cover area from 1956 to 1995. Mainly in S-SE coast

Lange Glacier retreated 1 km in 40 years

Lange Glacier front variations 1956

Glaciers with ice fronts over land * No or small retreat

Tidewater glaciers in the SE coast were retreating fast while their fronts where afloat (until late 1980s). Then they reached a relatively stable position.

At least for KGI bays It is known that sea ice duration has decreased. Last 10 years - some years without sea ice. Important: pack ice comes from the Bransfield strait moved by strong SE and S winds!

Equilibrium line altitude has gone up at least 100 to 120 m since 1950s Corrie glaciers in Keller Peninsula Lost 44 to 83% of their area since 1956 Orheim (1970) - ELA at 150 m by 1995 firn at 320 m a.s.l.

Nelson Island Snow and ice cover 1973-1989

Joinville Island from 1956 to 2000 lost only 4,1 km2 of 1477 km2!

No substantial changes! Brabant Island Rush Glacier 1989-2001 No substantial changes! Conclusion: glaciers with fronts above sea level did not retreat!

An increase of 2.1°C from 1947 to 2005 y = 0,0372x - 76,017 R2 = 0,3468 An increase of 2.1°C from 1947 to 2005 1947-1995 went up 1,1°C.

Mean annual T trends Increase from West to East

Long-term records Stable isotopic record from King George Is.

James Ross Island ice core record (Aristarain et al., 2004)

Conclusions Fast glaciers retreat from 1960s up to the moment that ice fronts grounded. Ice fronts retreat are associated with the sea ice cover duration in well protected bays. Mean atmospheric temperature decreased from mid-1800s to 1920s. The regional warming from 1930s left a signal in the stable isotopic record in KGI and James Ross Is. cores. Mean atmospheric temperature rise is high, but warming is less than at weather stations further southwest.