Southern East Africa getting wetter, not dryer

     Written by : IANS | Fri, Oct 21, 2016, 11:36 PM


Super Star Thanks to his Fans

New York Oct 22 : Contradicting the prevailing notion that the African continent has been getting progressively drier over time, a new study has found that drought in the continent has actually decreased over the past 1.3 million years.

The study, published in the journal Nature, also found that the continent is on a 100,000-year cycle of wet and dry conditions. Josef Werne, Associate Professor at University of Pittsburgh, along with colleagues from other universities in the US, Australia, Chile, and the Netherlands, made the discovery by examining core samples extracted from the bottom of Lake Malawi, one of the world's largest lakes, located between Malawi, Mozambique, and Tanzania in southeastern Africa.

These new findings challenge the savannah hypothesis - one of the keys to human evolutionary theory -- which states that the progressively drier conditions in Africa led to prehuman ancestors migrating from forests and moving into grasslands.

Previous studies of the climate of Africa focused on the northern part of the continent, and were responsible for the origin of the savannah hypothesis that the continent was getting drier, Werne explained.

Lake Malawi had not been explored previously because the depth of the waters - 700 feet - exceeded researchers' ability to get core samples from the bottom.

The researchers were able to overcome that limitation by using a barge and modifying oil-rig equipment to obtain a 380-meter-long sediment core sample.

The core was dated using a combination of radiocarbon, volcanic ash, and magnetic polarity reversals and examined for "molecular fossils" indicating changing temperature and rainfall.

By noting the changes in temperature records and especially rainfall, the team determined that the continent was getting wetter over time in southern East Africa.

"Climate in this sector of eastern Africa (unlike northern Africa) evolved from a predominantly arid environment with high-frequency variability to generally wetter conditions with more prolonged wet and dry intervals," the study said.







  • Actor Rajpal Yadav convicted to six months jail

    New Delhi, April 24: A court here on Monday sentenced Bollywood actor-comedian Rajpal Yadav, convicted of failing to repay a loan of Rs 5 crore taken by his company to make a movie, to six months jail ..

    Written by : IANS | 01:07 AM
  • 6 Maoists killed in gun battle with commandos

    Gadchiroli (Maharashtra), April 24: At least six Maoists were gunned down in a fresh gunfight in Gadchiroli district, barely 24 hours after Sunday's encounter which left 16 rebels dead, official sourc ..

    Written by : IANS | 12:39 AM
  • Modi to visit Nepal on May 11, 2 day trip

    Kathmandu, April 23: Indian Prime Minister Narendra Modi will embark on a two-day state visit to Nepal on May 11. Modi's trip comes just a month after his Nepali counterpart K.P. Sharma Oli visited ..

    Written by : IANS | 10:52 PM
  • Electric vehicles to be launched soon

    Hyderabad, Apr 23: In a major development, Joining forces, Mahindra Electric and cab service Meru all set to deploy electric cabs in Hyderabad. In a joint statement on Sunday, they announced a join ..

    Written by : IANS | 08:13 PM
  • Drunken girl thrashed 48 yrs old man, dies

    Hyderabad, Apr 23: Here is a ghastly accident has occurred, while a 48-year-old person was run over by an over-speeding car around midnight on Sunday near DAE Colony under the Kushaiguda police statio ..

    Written by : IANS | 08:03 PM
  • EAMCET -2018 to be held online from May 2

    Hyderabad, Apr 23: Engineering, Agriculture and Medical Common Entrance Test (EAMCET) - 2018 will be held online in Telangana and Andhra Pradesh. EAMCET for inter BiPC will be held on May 2 and 3 in T ..

    Written by : IANS | 07:56 PM
  • IPL 2018: DD opt to Bowl VS KXIP

    New Delhi, April 23: Delhi Daredevils have won the toss and have opted to field first against King Xi Punjab here at Feroz Shah Kotla, Delhi. Teams: Kings XI Punjab (Playing XI): Lokesh Rahul(w) ..

    Written by : IANS | 07:51 PM
  • Is actress Ileana pregnant? pic talk

    Mumbai, Apr 17: From few days there has been a gossip running in B-town film sources that the actress Ileana gonna be a mom. It is already known that Illeana has been dating the Australian photographe ..

    Written by : IANS | 02:05 PM
  • Kannada Heroine for Akhil's next

    Hyderabad, Apr 16: Kannada actress Rashmika Mandanna made her Telugu debut with Chalo starred with Naga Shaurya, which gets hit talk and many applauses from critics also. After her successful Toll ..

    Written by : IANS | 12:13 PM
  • Mehreen Pirzada out from Naga Shourya film

    Hyderabad, April 13: Naga Shourya's last release Chalo has got a decent response from the fans and he is looking for another interesting project under the direction of Srinivas Chakravarthy. The fi ..

    Written by : IANS | 01:07 PM
  • Tamannah to play key role in Chiranjeevi's next

    Hyderabad, Apr 11: Tollywood Milky beauty Tamannaah of Baahubali fame made her career with an impressive character as "Avanthika" which will remain for a lifetime.She recently performed in IPL 2018 in ..

    Written by : IANS | 11:44 AM
  • Rangasthalam Success Meet in US

    Hyderabad, Apr 04: "Rangasthalam" movie has made fantastic collections at the US box office from the premiere shows, According to the latest updates, The Movie has collected $640,00 from 160 locations ..

    Written by : IANS | 05:42 PM
  • Rangasthalam Beats Sardar Gabbarsingh

    Hyderabad, Mar 30: Ram Charan's Rangasthalam movie has been released here on today, and getting a super response from the fans of Mega Power Star and also from the Critics. here is the latest updat ..

    Written by : IANS | 01:36 PM
  • Pawan kalyan in Chal Mohan Ranga

    Hyderabad, Mar 29: Tollywood Young hero Nithin is one of the biggest fans of Power Star Pawan Kalyan, his upcoming flick was Chal Mohan Ranga, which is penned by Trvikram Srinivas. In the Nithin ..

    Written by : IANS | 05:51 PM
  • Actress Priyamani lodges complaint

    Hyderabad, Mar 14: The Tollywood Actress Priyamani, who has not signed any Telugu film in recent times, has filed a complaint against the producer and director of the film Angulika for using her image ..

    Written by : IANS | 12:42 PM
  • Rangasthalam Movie Highlights

    Hyderabad, Mar 13: "Rangasthalam" is one of the most awaited movies in the Tollywood Industry, Mega Power star Ram Charan is doing the film after the BlockBuster "Dhruva". The film shooting has bee ..

    Written by : IANS | 06:51 PM
  • Rajinikanth is not Super Star

    Chennai, Mar 08: when Asked about who is the superstar of Indian Cinema, then fans undoubtedly says Its Thalaivar Rajinikanth. He recently opened the two more official Social Media sites in order t ..

    Written by : IANS | 06:38 PM
  • National Award Winner Director for Young Hero

    Hyderabad, Mar 07: We all knew that Rajashekhar Starrer PSV Garudavega has garnered the Tollywood Biggest Hit in recent times, The Director Praveen Sattaru has mesmerized the movie with his talent. ..

    Written by : IANS | 03:52 PM
  • Indian Movies Diasters at Awards?

    Mumbai Mar 5: Currently its Awards Season and many English Movies have secured Oscar Awards Worlds prestigious Awards. These Awards are generally given to encourage new filmmakers and to bring out ne ..

    Written by : IANS | 06:50 PM
  • Trivikram to direct Nani's next Film

    Hyderabad, March 03: Here is a good news for Natural Star Nani's fans! According to the latest buzz in the film Industry, Natural Star Nani who is basking in the glory of his recently released product ..

    Written by : IANS | 04:10 PM
  • Samantha to have hair cut for U-Turn

    Hyderabad, Feb 27: The Tollywood beautiful actress Samantha Akkineni is currently busy shooting for the remake of the film U-Turn. U-Turn is the successful Kannada film starring Shraddha Srinath i ..

    Written by : IANS | 05:20 PM
  • Sridevi return to India Delayed ?

    Dubai Feb 26: In a Major shock top film lovers Popular Movie Actress Sridevi has died on Saturday night. The 54-year old actress passed away after a massive cardiac arrest in Dubai. However new facts ..

    Written by : IANS | 07:28 PM
  • Allari Naresh Next film Updates

    Hyderabad, Feb 26: Tollywood Comedian Allari Naresh is one talented hero in the industry who is going through a tough phase with back to back debacles. However, The Actor is not discouraged and is doi ..

    Written by : IANS | 07:25 PM
  • RGV :I hate god for taking sridevi early

    New Delhi Feb 25: In a Major shock top film lovers Popular Movie Actress Sridevi has died on Saturday night. The 54-year old actress passed away after a massive cardiac arrest in Dubai. Senior Dir ..

    Written by : IANS | 05:39 PM
  • New facts about sridevis death emerge

    Hyderabad Feb 25: In a Major shock top film lovers Popular Movie Actress Sridevi has died on Saturday night. The 54-year old actress passed away after a massive cardiac arrest in Dubai. Sources sai ..

    Written by : IANS | 04:05 PM
  • Happy Birthday Natural Star Nani

    Hyderabad, Feb 24: The Tollywood Hero Nani's looks and his performance are the reason why this man is tagged as the 'Natural Star' by his fans. Nani's roles are realistic and relatable, which make ..

    Written by : IANS | 01:23 PM
  • Its varun after Allu Arjun

    Hyderabad, Feb 23: The Tollywood Mega Prince Varun Tej has been enjoying his filmy career after delivering back to back successful movies - 'Fidaa' and 'Tholi Prema'. Also, Mega fans are very much exc ..

    Written by : IANS | 12:58 PM