National Association of Geography Students - NAGS Unilag Chapter

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QuIz! Quiz!! Quiz!!!
Can someone guess the countries these pictures were taken and if possible describe the landscape and landform?
Photo credit: Nature Photographer Rahul Rahul.

Despite the unprecedented extent of coral bleaching around the world, a major new study has also found "bright spots" where corals are doing significantly better than anyone expected. And the reason for the improvement is simple: it comes down to how much the coral reefs are fished by people.

This result has important implications for how reefs are protected, says Jack Kittinger of Conservation International, one of the study's authors.

Read more...http://news.nationalgeographic.com/2016/06/coral-reef-bright-spots-marine-conservation/

Coral Reefs Doing Better Than Expected in Many Areas A new study found "bright spots" where corals are thriving, despite global bleaching events.

Pictures Capture Daily Battle Against Zika Mosquitoes “It’s almost impossible to control,” says photographer Tomás Munita, who documented daily life in Brazil’s favelas.

Antarctica could be headed for major meltdown
Date:
February 23, 2016
Source:
University of California Los Angeles UCLA

Summary:
In the early Miocene Epoch, temperatures were 10 degrees warmer and ocean levels were 50 feet higher -- well above the ground level of modern-day New York, Tokyo and Berlin. Now a geochemist reports finding striking similarities between climate change patterns today and millions of years ago.
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Antarctica's glaciers are the size of the United States and Mexico combined, and they contain enough water to raise the world's sea level by 180 feet. (Stock image)
Credit: © pranodhm / Fotolia
In the early Miocene Epoch, temperatures were 10 degrees warmer and ocean levels were 50 feet higher -- well above the ground level of modern-day New York, Tokyo and Berlin.

It was more than 16 million years ago, so times were different. But there was one important similarity with the world we live in today: The air contained about the same amount of carbon dioxide. That parallel raises serious concerns about the stability of ice sheets in Antarctica, according to a study published in the Proceedings of the National Academy of Sciences.

All told, Antarctica's glaciers are the size of the United States and Mexico combined, and they contain enough water to raise the world's sea level by 180 feet. And although no humans live permanently in Antarctica, what happens there impacts everyone, said Aradhna Tripati, a geochemist at UCLA's Institute of the Environment and Sustainability who collaborated on the research.

"The ice sheets serve as huge stores of water," Tripati said. "As the ice melts, it gets dumped in the ocean and the sea level rises."

The study is the latest revelation of ANDRILL, a $20 million research project focused on the South Pole. The effort, now 12 years old, has involved 100 researchers from seven countries. ANDRILL researchers were the first to bore holes through Antarctic ice shelves and sea ice to sample the ocean floor below.

Previous research showed that ice shelves -- the parts of the ice sheets that extend over water -- are vulnerable to even small increases in greenhouse gases. But the new study, which was written by Richard Levy of GNS Science, a New Zealand research organization, was the first to demonstrate that the huge, land-based glaciers are also vulnerable.

David Harwood, a University of Nebraska paleontologist who led the study, said the project's goal was to see what prehistoric environments could tell us about the modern era of climate change.

"We're drilling back into the past to understand the future and how dynamic our planet can be," he said.

To do that, researchers set 90 tons worth of drilling equipment on a floating sea ice in McMurdo Sound, where conditions can be particularly harsh: The average August temperature is minus 23 degrees Fahrenheit, and savage windstorms can occur at a moment's notice. Using a diamond-tipped tubular drill, researchers bored through 24 feet of ice, 1,200 feet of water and 3,300 feet of ocean floor. The rock samples they collected preserve a chronological record of environmental conditions dating back 20 million years.

The samples were sent to Tripati for analysis. As she looked at the sedimentary layers, a story began to emerge. Samples that were formed during warmer times, when the ice shelf was gone or unstable, were tan-colored and rich with fossils. But samples drawn from years when the sea was covered with ice, were mostly rock with fossils from only a few deep sea organisms.

Looking even closer, Tripati examined individual molecules from the samples to determine air and water temperatures at different times in history. Warmer times correlated with higher levels of carbon dioxide in the atmosphere, melting ice shelves and the loss of parts of the East Antarctic ice sheet.

According to Tripati, scientists are seeing early signs of the same conditions today.

"If carbon dioxide is sustained at current levels, we run the risk of Antarctic ice shelf disappearance," she said.

The ice shelves are critical because they act like a cork in a Champagne bottle, holding back the huge, land-based flows of glacial ice on the Antarctic continent, Tripati said. But they are particularly sensitive to temperature changes. Just a few degrees of increased warmth can make them disappear because they are warmed by both the air and the sea.

And disappearing ice shelves lead to even more warming because of something called the albedo effect: Light-colored ice reflects the sun's radiation away from Earth. After it melts, the darker-colored seas absorb more radiation and more heat.

That process could take hundreds of years, but signs of rapid change are already here. In 2002, the Larsen B ice shelf -- which was made up of more than 1,250 square miles of 720-foot-thick ice -- disintegrated into the ocean over the course of a month, shocking scientists and observers. Over the past several decades, seven out of 12 ice shelves on the Antarctic Peninsula have collapsed.

"They've just been going like dominoes," Tripati said.

Still, researchers say the PNAS findings offer a glimmer of hope. Policymakers rely on computer models to predict future climate change, and the models now can be refined based on the new information about changes that occurred millions of years ago, Tripati said.

The big question that remains is how fast melting will occur. Harwood said the ANDRILL findings emphasize the fragility of ice shelves and the urgency of taking action on a global scale.

"The models simulate thresholds, points of no return," he said. "It's good for policymakers to know how fast we have to get off this train or turn it in a new direction."

Story Source:

The above post is reprinted from materials provided by University of California Los Angeles UCLA. The original item was written by David Colgan. Note: Materials may be edited for content and length.

Using Maps and Data Vis to Understand Tennis These striking visualizations of tennis matches show what we can learn from sports tracking data.

Hello fellow geographers, Please take a minute to vote Yemi Alade as "Artiste Of The Year" and "Female Artiste Of The Year" for the 2014 tooXclusive.com (Africa's Best Music Download Portal) Awards.

Vote here -> http://tooxclusive.com/ed…/tooxclusive-awards-2014-vote-now/
she is our person....please vote for her

DOWNLOAD:tooXclusive AWARDS 2014 - VOTE NOW! Voting for the nominees of the tooXclusive awards 2014 is officially on!!!Get your fingers busy and cast your votes for your favorite nominees in th

Don not miss out as members of the National association of Geography students decides tomorrow 4th of December 2014, who should and or would be the next to lead the association.
Good luck to all our aspirants.

G'14' Dinner and Awards night

All interested aspirants should see the NAGS president-Tobi to pick up nomination forms.

Elections into executive positions of all faculties, departments and halls of residence of the University of Lagos for the 2014/2015 academic session will hold as follows:


S/N PROPOSED DATE PROPOSED ACTIVITIES
1 Wednesday, November 5, 2014 Dean of Students’ Affairs meet with Sub Deans/Staff Advisers/Faculty Officers and Students Leaders.
2 Thursday, November 6, 2014 Release of 2013/2014 election guidelines for commencement of the electioneering campaigns.
3 November 6 – 8, 2014 Formation of Electoral Committees by the Staff Advisers/Hall Masters/Mistresses and approval of the Electoral Committees by the Dean of Students’ Affairs.
4 November 7 – 10, 2014 Collection and submission of completed nomination forms to the Staff Advisers/Hall Masters or Mistress by interested candidates.
5 November 8 – 12, 2014 Submission of nomination forms to the Dean, Students’ Affairs Division for screening/approval.
6 November 9 – 12, 2014 Screening and vetting of nomination forms by DSA
7 November 13, 2014 Release of names of all eligible voters and contestants.
8 November 13 – 14, 2014 Elections of Executives into Halls of Residence
9 December 3 – 5, 2014 MANIFESTOES at the Faculties/Departments
10 December 4 & 6, 2014 Faculties/Departments Elections (9a.m-4p.m)
11 Sunday, December 7, 2014 DISTANCE LEARNING INSTITUTE (DLI) Election.
12 Wednesday, December 17, 2014 Swearing in and presentation of Certificates of Return.



Please note that:

Declaration of Manifestoes in Faculties of Arts, Business Administration, Engineering, Environmental, Law, Pharmacy, Science and Social Sciences will hold on December 3, 2014.
Elections in the Faculties indicated above will hold on Thursday, December 4, 2014.
Declaration of Manifestoes and Election in the Faculty of Education will hold on Friday, December 5, 2014 and Saturday, December 6, 2014, respectively.



Guidelines for the Election



The following guidelines have been produced for the conduct of elections into various executive positions in the Faculties/Departments/Halls of Residence for the 2014/2015 academic session.



The Sub-Deans/Staff Advisers/Hall Master/Mistress shall set up Electoral Committee for the conduct of elections into the Executives of Faculty/Department/Hall. The membership of the Electoral Committee is to be approved by Dean of Students’ Affairs Division (DSA).
The Sub-Dean/Staff Adviser/Hall Master/Mistress shall supervise and coordinate the activities of the Electoral Committee.
The Electoral Committee, in collaboration with the DSA, shall issue nomination forms to all eligible candidates and also produce the voters list/ballot papers; arrange for the ballot boxes from the DSA’s office and be responsible for all matters relating to the elections.
The current Executives are to submit handing over notes, report on the finances of the Associations to the Sub Dean/Staff Adviser/Hall Master/Mistress, not later than a week (7 days) to the election.
Handing over notes and the financial reports of activities of Associations, duly endorsed by the Executives and the Staff Advisers, should be forwarded to the Dean, Students’ Affairs (DSA) before the election date.
Eligibility of Candidates: Candidates for election: *should possess good leadership qualities, with established track record of good conducts; * Must be in good academic standing with a CGPA which must not be below 3.0. and * Must not have a carryover (F) in the penultimate semester (First Semester 2013/2014 session).
A candidate found guilty of misconduct by the management shall be disqualified from running for an elective post.
Nomination forms shall be deposited with the Secretary to the Electoral Committee in the Faculty, Department and Hall of Residence.
All nomination forms received by the Electoral Committee shall be forwarded to the DSA for final screening and approval.
Voters List shall be displayed at the Faculties/Departments/Halls of Residence not later than 48 hours to the Election. Any complaint should be directed to the Sub Dean/Staff Adviser/Hall Master/Mistress as the case may be.
Only financial members are eligible to vote and be voted for.
List of contestants shall be displayed at the Faculty/Department/Hall of Residence not later than 24 hours before the election.
The winner of the election shall be determined by simple majority of the votes cast. Where there is a tie, a rerun shall be conducted within 48 hours.
Each voter shall be entitled to cast a vote for each office to be filled.
There shall be no (election) voting by proxy.
No candidate shall hold two elective positions in the same academic year in the University.
Counting of votes shall start immediately after the close of voting at the polling centre.
The result of the election shall be duly endorsed by the Sub Dean/Staff Adviser/Hall Masters/Mistress, Agent of the Candidates and the Chairman Electoral Committee, the DSA or his representatives.
The DSA or his representative shall be the Returning Officer with responsibility for announcing the results at the venue immediately after counting of the votes.
Where a candidates(s) has/have any complaint(s) against the conduct of any election, such a complaint shall be communicated in writing to the Election Petitions Committee, set up by the Dean of Students’ Affairs, for adjudication within 24 hours after the results of election had been announced.
Such a petition should be forwarded, through the Dean of Students’ Affairs to the Chairman, Election Petitions Committee.
No candidate shall be deemed to have been validly elected until any petition(s) pending for such an office had been finally disposed of.
The Sub Dean/Staff Adviser/Hall Master/Mistress should inform the Dean, Students’ Affairs of any violation of the Election Guidelines.
ANY ELECTION CONDUCTED WITHOUT THE REPRESENTATIVE OF THE DEAN OF STUDENTS’ AFFAIRS SHALL BE NULL AND VOID.