Carbonate Sedimentology
Jul 12, 2011
28th IAS Meeting of Sedimentology
Nov 14, 2010
Nov 12, 2010
Foraminifera
Foraminifera
http://www.foraminifera.eu/AtoC.html A good website for Foraminifera genera both in english and german.
Geology Collection/ planktonic foraminifera/ Mediterranean
NTOU-Marine Education Digital Archive-國立台灣海洋大學-海洋教育數位典藏-台灣鄰近海域海洋岩心 [Globigerinoides ruber]
http://www.foraminifera.eu/AtoC.html A good website for Foraminifera genera both in english and german.
Geology Collection/ planktonic foraminifera/ Mediterranean
NTOU-Marine Education Digital Archive-國立台灣海洋大學-海洋教育數位典藏-台灣鄰近海域海洋岩心 [Globigerinoides ruber]
Globigerinoides ruber white (d´Orbigny, 1839)
Nov 7, 2010
ITCZ: The Intertropical Convergence Zone
Near the equator, from about 5° north and 5° south, the northeast trade winds and southeast trade winds converge in a low pressure zone known as the Intertropical Convergence Zone or ITCZ. Solar heating in the region forces air to rise through convection which results in a plethora of precipitation. The ITCZ is a key component of the global circulation system.
Weather stations in the equatorial region record precipitation up to 200 days each year, making the equatorial and ITC zones the wettest on the planet. The equatorial region lacks a dry season and is constantly hot and humid.
The migration of the inter-tropical convergence zone (ITCZ) in Africa affects seasonal precipitation patterns across that continent.
Weather stations in the equatorial region record precipitation up to 200 days each year, making the equatorial and ITC zones the wettest on the planet. The equatorial region lacks a dry season and is constantly hot and humid.
The migration of the inter-tropical convergence zone (ITCZ) in Africa affects seasonal precipitation patterns across that continent.
ITCZ
Seasonal Migration of the ITCZ in Africa
Climate change in East Africa
Tropical Africa have a great impact on global climate change. It is influenced by Indian and Atlantic oceans. Comparative with lots of research work in Atlantic oceans, we know little on west Indian ocean around this area. So far, the information that we understand the climate change mostly is from lake sediments.
The East Africa Rift Lakes provide excellent records of paleoclimate from LGM. A lot of work has been done with variety of methods. Many factors has been proposed to explain the region climate change, such as the migration of ITCZ, Indian monsoon,SST of Indian ocean(IOD).
In order to better understand the climate change of East Africa, research from west Indian ocean is necessary.
The East Africa Rift Lakes provide excellent records of paleoclimate from LGM. A lot of work has been done with variety of methods. Many factors has been proposed to explain the region climate change, such as the migration of ITCZ, Indian monsoon,SST of Indian ocean(IOD).
In order to better understand the climate change of East Africa, research from west Indian ocean is necessary.
Oct 12, 2010
The 2009 version of the International Stratigraphic Chart
The 2009 version of the International Stratigraphic Chart can be downloaded from the following address:http://www.stratigraphy.org/upload/ISChart2009.pdf
I have transformed it into jpeg format.
The 2009 stratigraphic scale has a new definition of Pleistocene.
I have transformed it into jpeg format.
The 2009 stratigraphic scale has a new definition of Pleistocene.
Oct 11, 2010
Trace fossil?
We found these trace fossils in our field work. But I don't know what their paleo-oxygenation facies implications?
Here are the photos.
Age: Middle Permian
Place: South China
Depositional environment: shallow marine carbonate platform, because much green algae is present.
Here are the photos.
Age: Middle Permian
Place: South China
Depositional environment: shallow marine carbonate platform, because much green algae is present.
Dasycladalean alga
Trace fossil 1
Trace fossil 2
Oct 4, 2010
MARUM – Center for Marine Environmental Sciences
marum - MARUM – Center for Marine Environmental Sciences
I will be here in the next four years! A nice place!
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