Navigation Links
Fossilized pollen reveals climate history of northern Antarctica
Date:6/27/2011

HOUSTON -- (June 27, 2011) -- A painstaking examination of the first direct and detailed climate record from the continental shelves surrounding Antarctica reveals that the last remnant of Antarctic vegetation existed in a tundra landscape on the continent's northern peninsula about 12 million years ago. The research, which was led by researchers at Rice University and Louisiana State University, appears online this week and will be featured on the cover of the July 12 issue of the Proceedings of the National Academy of Sciences.

The new study contains the most detailed reconstruction to date of the climatic history of the Antarctic Peninsula, which has warmed significantly in recent decades. The rapid decline of glaciers along the peninsula has led to widespread speculation about how the rest of the continent's ice sheets will react to rising global temperatures.

"The best way to predict future changes in the behavior of Antarctic ice sheets and their influence on climate is to understand their past," said Rice University marine geologist John Anderson, the study's lead author. The study paints the most detailed picture to date of how the Antarctic Peninsula first succumbed to ice during a prolonged period of global cooling.

In the warmest period in Earth's past 55 million years, Antarctica was ice-free and forested. The continent's vast ice sheets, which today contain more than two-thirds of Earth's freshwater, began forming about 38 million years ago. The Antarctic Peninsula, which juts farther north than the rest of the continent, was the last part of Antarctica to succumb to ice. It's also the part that has experienced the most dramatic warming in recent decades; its mean annual temperatures rose as much as six times faster than mean annual temperatures worldwide.

"There's a longstanding debate about how rapidly glaciation progressed in Antarctica," said Sophie Warny, a Louisiana State University geologist wh
'/>"/>

Contact: Jade Boyd
jadeboyd@rice.edu
713-348-6778
Rice University
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Ancient DNA, not fossilized bones, shows late survival of Ice Age megafauna
2. Worlds largest snake discovered in fossilized rainforest
3. Pollen also appears outside flowering season
4. UF Pine lsland pollen study leads to revision of states ancient geography
5. Amount of dust, pollen matters for cloud precipitation, climate change
6. Gone with the wind: Far-flung pine pollen still potent miles from the tree
7. Algae and pollen grains provide evidence of remarkably warm period in Antarcticas history
8. Exeter study reveals US turtles movements
9. New research on community gardening reveals the roots of emotional and physical health
10. Landmark report reveals immense burden of osteoporotic fractures in Europe
11. Study reveals important aspects of signaling across cell membranes in plants
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Fossilized pollen reveals climate history of northern Antarctica
(Date:10/29/2014)... all the rage. Thousands of scientists worldwide are conducting ... titanium dioxide nanoparticles from sun creams can get through ... from electronic products are as hazardous for the lungs ... food can get into the blood via the intestinal ... are flowing – and the number of scientific projects ...
(Date:10/29/2014)... An innovative workflow reveals new research potential of the ... recently published article in the Biodiversity Data ... BOLD in tabular format and imported these into a ... Writting Tool (PWT). Data were used to study ... wasps from the Microgastrinae subfamily. , BOLD is originally ...
(Date:10/29/2014)... of kidney cancer patients in Europe sheds light on ... an apparent link between exposure to aristolochic acid and ... research, by an international team led by scientists from ... Montreal, underscores the importance of investigating possible sources of ... of the Aristolochia genus, also has been suspected of ...
Breaking Biology News(10 mins):Nanosafety research: The quest for the gold standard 2Nanosafety research: The quest for the gold standard 3Go straight and publish: From Barcode of Life Data Systems to scholarly publishing systems 2Study sheds light on genetic architecture of kidney cancer 2Study sheds light on genetic architecture of kidney cancer 3
... Ph.D., member of the Basic Sciences Division at Fred ... in the American Academy of Arts & Sciences, or ... honorary societies and independent policy-research centers.She is among 190 ... the AAAS 2008 class of fellows. Drawn from the ...
... The key focus of the Diogenes study is to identify ... after initial successful weight loss. To participate in the ... least 8% of their body weight, before the whole family ... and randomised to one of five diets. 763 ...
... -- Ronald Hoenig and Aaron Welch, both graduate ... School of Marine UM Rosenstiel School students take ... Competitionand Atmospheric Science, won first place in the ... Leigh Rothschild Entrepreneurship Competition. The two Marine ...
Cached Biology News:Nobel laureate Dr. Linda Buck elected to American Academy of Arts & Sciences 2008 Class of Fellows 2Nobel laureate Dr. Linda Buck elected to American Academy of Arts & Sciences 2008 Class of Fellows 3How to stop regaining weight? That's the real question 2Aquaculture concept leaves judges 'goggle eyed' 2
(Date:10/30/2014)... York, NY (PRWEB) October 30, 2014 ... plan for its ICH Stability Testing and Package Test ... this investment centers on a dramatic increase in environmental ... volume of stability, storage and aging samples to be ... stage of this major capital expenditure has already taken ...
(Date:10/30/2014)... CARLSBAD, Calif. , Oct. 30, 2014 Isis ... antisense therapeutics, today announced that management will present a company ... 2014 at 8:30 a.m. ET in Boston, MA. ... will be available on the "Investors & Media" section of ... available on the Isis website within 48 hours and will ...
(Date:10/30/2014)... key challenges in the development of quantum technologies has ... a paper published today (28 October) in Nature ... to make a new type of flexibly designed microscopic ... high-precision sensors and specialised superfast computers, often depend on ... for trapping these tiny particles are hugely problematic because ...
(Date:10/27/2014)... 2014 The new research report, ... & Medium), Sub-type (Primary & Secondary), and End-User ... Transportation & Power Generation) - Trends and Forecasts ... with analysis and forecasting of the market size. ... with 52 Figures spread through 146 Pages and ...
Breaking Biology Technology:Whitehouse Labs Announces Major Capital Investment in Stability and Storage Testing Capacity 2Whitehouse Labs Announces Major Capital Investment in Stability and Storage Testing Capacity 3Isis Pharmaceuticals to Present at the Nomura Biotechnology Conference 2Gas Insulated Switchgear Market worth $21,951.9 Million by 2019 - New Report by MarketsandMarkets 2Gas Insulated Switchgear Market worth $21,951.9 Million by 2019 - New Report by MarketsandMarkets 3Gas Insulated Switchgear Market worth $21,951.9 Million by 2019 - New Report by MarketsandMarkets 4
... Interview with Josh Heling, co-founder, SecurePipe, Inc. ... variety of industries including manufacturing, healthcare, banking, environmental response, ... social engineering, raising money, and ecruiting a CEO. , ... a little about SecurePipe. , , Josh Heling ...
... in Entrepreneurship program is the WAVE of the future for ... Director of the Weinert School of Entrepreneurship ... behind in Wisconsin. It is a state that has a ... on here at the university, we have WARF handling, promoting ...
... companies who dont panic, that will continue to grow and ... working on a project for the Council for Continuous Improvement ... was arranging and conducting seminars for executives in the auto ... make or break situation with many quality control issues. During ...
Cached Biology Technology:WTN Exclusive Interview with Josh Heling 2WTN Exclusive Interview with Josh Heling 3WAVE of the Future? 2WAVE of the Future? 3A Race without a Finish Line! 2
Pronase Reagent...
CircuLex Anti-Human S100P Polyclonal Antibody Research Focus: proliferation Storage: -20C Shipping Temperature: 4C...
Rabbit polyclonal to ECSIT ( Abpromise for all tested applications). entrezGeneID: 51295 SwissProtID: Q96HQ7...
HAMP Immunogen: HAMP (AAH20612, 25 a.a. ~ 85 a.a) full length recombinant protein with GST tag. Storage: -20 C, Avoid Freeze/Thaw Cycles *Available for distribution in the US only...
Biology Products: