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	Lake Victoria (Site not responding. Last check: 2007-11-02)
		Lake Bosumtwi, located in the south-central region of Ghana, is the country's largest and deepest natural lake.
		The lake is sacred to the Ashanti people who believe that, after death, their souls come to the lake to say goodbye to their god Twi.
		Lake Bosumtwi attracts weekend visitors from the surrounding region who enjoy swimming (without the threat of crocodiles), strolling at the water's edge, or puttering around the lake on a rented wooden tour boat.
	www.science.uwaterloo.ca /research/african_lakes/bosumtwi.html (294 words)

	General News of Tuesday, 16 November 2004 (Site not responding. Last check: 2007-11-02)
		Lake Bosumtwi, Ghana’s largest natural lake, maybe seating on a potential time bomb as feverish moves are underway to grant Norcan, a Canadian mining company, the permits it needs to enable it explore the area around the lake for gold deposits.
		The lake has a maximum depth of 86 m in the center and apart from providing an opportunity for fishing for the almost 30 small villages dotting the 30-km perimeter of the lake, Bosumtwi is also a favourite tourist destination.
		For Ashantis, this large crater lake with a diameter of 10.5km is sacred as legend has it that after death, the soul of an Ashanti goes to Lake Bosumtwi to bid farewell to their god Twi before departing for the afterlife.
	www.ghanaweb.com /GhanaHomePage/NewsArchive/artikel.php?ID=69914 (1052 words)

	Kumasi - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-11-02)
		It is located in the south-central part of the country, about 250 kilometres (by road) north-west of Accra.
		Lake Bosumtwi, the largest natural lake in Ghana, is located approximately 32 kilometres north of Kumasi.
		With a population of 676,000 (2000, official estimate), it is the second-largest city in the country.
	www.encyclopedia-online.info /Kumasi (429 words)

	TREC: Lake Studies
		Lake Telmen is a saline (presently 4 g L-1) closed-basin lake and is therefore sensitive to changes in effective moisture balance.
		Correlation of the Silver Lake paleomagnetic secular variation (PSV) record to a radiocarbon dated PSV record from Minnesota was used to supplement existing Silver Lake radiocarbon dates and construct a robust age model.
		Lake Bosumtwi is a hydrologically-closed crater lake located in the tropical forest lowlands of Ghana, Africa.
	www.uakron.edu /colleges/artsci/depts/geology/TREC/treclake.php (759 words)

	WORLD ENCYCLOPAEDIA - Ghana - Rivers and Lakes (Site not responding. Last check: 2007-11-02)
		Arms of the lake extended into the lower-lying areas, forcing the relocation of 78,000 people to newly created townships on the lake's higher banks.
		Lake Volta is a rich source of fish, and its potential as a source for irrigation is reflected in agricultural mechanization agreement signed in the late 1980s to irrigate the Afram Plains.
		The lake is navigable from Akosombo through Yeji in the middle of the country; a twenty-four-meter pontoon was commissioned in 1989 to link the Afram Plains to the west of the lake with the lower Volta region to the east.
	encyclopaedic.net /world/ghana/30.php (951 words)

	Environment News Service ENS Latest Environmental Information Education Current Issues RSS
		Lake Bosumtwi is inhabited by many unique and threatened species and is considered so sacred that no metal boats are allowed to touch its waters.
		In addition, the lake and surrounding area would be subject to such environmental impacts as acid mine drainage, water, soil and crop contamination by heavy metals, and the possibility of cyanide contamination that go along with open pit mining.
		Lake Bosumtwi cover an area of about 47 square kilometers and is 86 meters deep.
	www.ens-newswire.com /ens/nov2004/2004-11-15-04.asp (1158 words)

	GFZ, Section 1.3 - Aerogravimetry (Site not responding. Last check: 2007-11-02)
		The Lake Bosumtwi impact crater has a diameter of 10.5 km, and with its age of 1 Ma it is one of the youngest large craters on Earth.
		It is one of a relative few craters formed in "hard rock" rather than in a sedimentary target, and it is the source of a tektite strewn field.
		The results yield information on the crater structure, which is buried beneath the lake and the postimpact sediments, and on the properties of the different layers.
	www.gfz-potsdam.de /pb1/pg3/aero/bosumtwi/bosumtwi-results-e.html (281 words)

	Drilling to cast light on climate change (Site not responding. Last check: 2007-11-02)
		Lake Bosumtwi formed when an asteroid up to 2 kilometres across struck what is now Ghana.
		Lake Bosumtwi is in a 2km asteroid crater.
		During seismic examinations of the lake floor over the past five years, geophysicists have identified the uplifted portion in the middle of the basin that formed after the collision and measured the surrounding impact rings.
	www.ifm.uni-kiel.de /other/clivar/recent/lake_sedim.htm (564 words)

	Kumasi -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-11-02)
		Because of the varied plant life in the area, it is known as "The Garden City." It is located in the south-central part of the country, about 250 km (by road) northwest of (The capital and largest city of Ghana with a deep-water port) Accra.
		(additional info and facts about Lake Bosumtwi) Lake Bosumtwi, the largest natural lake in Ghana, is located approximately 32 km north of Kumasi.
		With a population of 676,000 (2000, official estimate), Kumasi is the second-largest city in the country.
	www.absoluteastronomy.com /encyclopedia/k/ku/kumasi.htm (597 words)

	URI oceanographer receives NSF grant to study long-term climate change in Ghana, Africa
		"Bosumtwi is the latest of three international drilling projects in paleoclimatology spanning the tropics and is part of a wider strategy to address important climate questions from multiple perspectives." King will leave for Ghana in early July for a three-week period.
		Lake Bosumtwi occupies a meteorite impact crater that is more than one million years old, located in the forest lowlands of Ghana.
		Below 15 meters in depth the lake waters are permanently stratified and contain no oxygen, allowing for the preservation of layered sediments and the potential for high-resolution paleoclimatic reconstructions.
	www.eurekalert.org /pub_releases/2004-06/uori-uor061404.php (618 words)

	[No title] (Site not responding. Last check: 2007-11-02)
		Lake Bosumtwi, an 8km diameter crater lake located in tropical West Africa, is a useful modern analogue for understanding processes of lacustrine source rock deposition in a permanently stratified lake basin.
		The modern lake bottom sediments are composed mainly of silt size particles with finer grain sizes (8-10æm) dominating the deeper basin (40-70m).
		Three erosional truncation surfaces, interpreted to represent desiccation events, are apparent between 30 and 40m in the high-resolution seismic data, and similar surfaces are observed in the medium-resolution (25-250kHz) airgun seismic data.
	aapg.confex.com /aapg/de2001/techprogram/paper_8777.htm (246 words)

	Volunteer Journals - Entry (Site not responding. Last check: 2007-11-02)
		Lake Bosumtwi is the only natural lake in Ghana (Lake Volta of Ghana, which you can see on any map of the world, is actually the world's largest artificial body of water).
		Lake Bosumtwi is absolutely stunning and was a welcome escape from the chaotic city.
		The locals believe that the lake is visited by souls of the dead as they pass on to heaven.
	journals.volunteer.org.nz /entry.php?id=522 (1090 words)

	Event details (Site not responding. Last check: 2007-11-02)
		Lake Bosumtwi, with a diameter of 8 km, occupies a one million year old meteorite impact crater — the Lake Bosumtwi impact crater — in the forest zone of the Ashanti Region of Ghana.
		The presentation highlights on the importance of Lake Bosumtwi with regard to the traditional history and beliefs of the lake on one hand, and the studies of impact processes and paleoclimate on the other.
		In conclusion, the presentation takes a look at how the immense educational and tourism potential of Lake Bosumtwi as revealed by the scientific investigations could be harnessed for socio-economic development.
	www.physics.utoronto.ca /news/event_detail.php?event_id=465 (148 words)

	Lake Bosomtwi (Site not responding. Last check: 2007-11-02)
		Formed by a meteor, it has a diameter of 10 kilometers and a maximum depth of 86m in the centre.
		A switchback road, constructed in the 1970's, winds its way down to the lake from the main road.
		This major city was the capital of the Ashanti empire, and it continues to serve as the cultural centre of the Ashanti people.
	www.hot97uk.com /lake_bosomtwi.htm (417 words)

	Guardian Unlimited \| The Guardian \| Clues to past lie in lake of stars
		Scientists are preparing to drill deep into the great African lakes - which contain some of the richest archives of the planet's development - to extract secrets about the ice ages, global warming and human evolution.
		After Lake Malawi a separate drilling project is due at Ghana's Lake Bosumtwi and eventually the scientists hope to explore the ultimate prize: Tanzania's Lake Tanganyika, which is 1,500 metres deep, and which promises to offer up a much longer record, of several million years.
		Lake Malawi, lying in a trough of the Great Rift Valley, is the third largest lake in Africa and occupies almost a fifth of the country it is named after.
	www.guardian.co.uk /international/story/0,3604,1045873,00.html (749 words)

	DGESL : Publications : Abstracts : Peck et al. 2004
		As a hydrologically closed basin, the water budget of Lake Bosumtwi is extremely sensitive to changes in the precipitation/ evapotranspiration balance.
		Lake Bosumtwi lies in the path of the seasonal migration of the intertropical convergence zone (ITCZ); hence, the lake is ideally situated to study monsoon variability in West Africa.
		Dust flux to Lake Bosumtwi is inferred to be very low during this humid interval due to the strengthening of the summer monsoon.
	www.geo.arizona.edu /dgesl/publications/abstracts/peck_et_al&magnetic&2004.htm (456 words)

	Search Results for lakeshore - Encyclopædia Britannica
		It is fed by the North and South Rukuru, Dwangwa, Lilongwe, and Bua...
		It lies on the northeastern shore of Lake Maracaibo and is an important centre for the Ambrosio oil fields.
		The only true inland lake in the country, it has no surface outlet and was formed either by volcanic eruption or by the impact of a...
	www.britannica.com /search?query=lakeshore&submit=Find&source=MWTAB (479 words)

	Summer in Ghana 2004
		We visited Lake Bosumtwi, the famous sacred lake in the Ashanti region of Ghana about half an hour from Kumasi.
		Ashantis believe that the lake is the place where Ashanti souls on their way to the afterlife make their last stop to bid farewell to the gods.
		Fishing is allowed, but only if the fishermen go into the lake using wooden planks and paddling with pieces of wood or their bare hands.
	www3.uakron.edu /cba/ghanaprogram/2004/lakebosumtwi/lake3.htm (148 words)

	Earth impact craters
		Chemical, isotopic, and age studies show that the crater is the most probable source of the Ivory Coast tektites, which are found on land in central Africa and as microtektites in nearby ocean sediments.
		The central peak of the 22-km-wide Clearwater Lake East (56° 05' N, 74° 07' W) is under water.
		The circular shoreline, at a diameter of 11 km, is partially surrounded by a ridge with heights to 100 m above the lake surface.
	www.daviddarling.info /encyclopedia/E/Earth_impact_craters.html (687 words)

	Earth Impact Database
		Bampo, S.O. 1963 Kumasi conference on the Lake Bosumtwi crater.
		Gentner, W. Lippolt, H.J. and Muller, O. 1964 The potassium-argon age of the Bosumtwi crater in Ghana and the chemical composition of its glasses (in German).
		Littler, J. Fahey, J.J., Dietz, R.S. and Chao, E.C.T. 1962 Coesite from the Lake Bosumtwi crater, Ashanti, Ghana (abstract).
	www.unb.ca /passc/ImpactDatabase/images/bosumtwi.htm (1216 words)

	Crater Lake pg 2
		For the past million years, the lake has acted as a tropical rain gauge, filling and drying with changes in precipitation and the tropical climate.
		Lake Bosumtwi, the largest natural freshwater lake in the country, is sacred to the Ashanti people, who believe their souls come to the lake to bid farewell to their god.
		The lake is also the primary source of fish for the 26 surrounding villages.
	sumagazine.syr.edu /fall00/features/crater/craterpg2.html (817 words)

	GFZ, Section 1.3 - Aerogravimetry (Site not responding. Last check: 2007-11-02)
		The Bosumtwi impact structure in Ghana has an age of 1.07 Ma, a rim-to-rim diameter of 10.5 km, and is the youngest large impact crater on earth.
		The central part of the structure is filled by Lake Bosumtwi with a diameter of ca.
		Gravity data from 160 stations on land around the lake show a minimum (preliminary Bouguer reduction) resulting from the sedimentary filling of the lake, low density impact formations, brecciated and fragmented basement.
	www.gfz-potsdam.de /pb1/pg3/aero/bosumtwi/bosumtwi-introduction-e.html (401 words)

	Tektite of the Month - Ivory Coast (Site not responding. Last check: 2007-11-02)
		Bosumtwi Crater is a well preserved impact crater and the source crater for the Ivory Coast tektites.
		The center of the crater is filled by Lake Bosumtwi.
		The depth of the lake is approximately 80 meters.
	www.meteoritetimes.com /Back_Links/2002/April/Tektite_of_Month.htm (210 words)

	Lake Bosumtwi (Site not responding. Last check: 2007-11-02)
		Nutrient elements (P, C) and heavy metals of environmental concern (Pb, Zn, As) in several short cores recovered in 1997 from lake Bosumtwi, Ghana have been determined using X-ray fluorescence analysis at a resolution of 1 cm.
		Sediment cores from the central part of the lake can be divided into an upper and a lower unit considering the element profiles which show for most elements maximum concentrations in the upper unit.
		Changes in the lead isotopic compositions of the lake sediments reflect the changing sources of lead superimposed on the natural background signature.
	www.icbm.de /~mbgc/Gloria/Bosumtwi.html (515 words)

	BBC NEWS \| Science/Nature \| Drilling for Africa's climate history
		As well as carving out the 11-km bowl of the lake, the impact lifted pulverised and melted rock 20-30 km into the sky, which then rained like fire on the surrounding countryside, incinerating everything in its path.
		In some places, sandy beach deposits replace the mud in the sediments, revealing times when the region was so dry that the lake shrank to a fraction of its current size.
		During the wettest times, the lake has overflowed the crater leaving a "bathring" of muddy deposits around the crater rim.
	news.bbc.co.uk /1/hi/sci/tech/3736040.stm (1088 words)

	Untitled Document
		Lake Bosumtwi offers a potentially unique opportunity for reconstructing high resolution, continuous paleohydrological, biological and environmental conditions in the tropics because it is one of the few tropical locations exhibiting thick sequences of annual varves.
		Glacial age sediments from Lake Bosumtwi are clearly varved to beyond 30 ka, and likely back to at least 50 ka, without evidence for a lakewide erosional dicontinuity.
		Analysis and deposition of bulk organic matter: We are also taking advantage of the Lake Bosumtwi surface sediment archive to examine the distribution of C, N and stable isotopic composition of bulk organic matter from the lake.
	www.geo.arizona.edu /~shanahan/research.html (1740 words)

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