VOSviewer
Courses
- PPaleontology
- PSSPrinciples of Stratigraphy and Sedimentation
- OSOcean Sciences
Grants
- Collaborative Research: BoCP-Implementation: The impact of climate change on functional biodiversity across spatiotemporal scales at Lake Tanganyika, Africa
Principal Investigator (PI)
2022
$226.0K
Active - REU Site: From the clouds to the core: A place-based REU for southwestern US community/tri bal college students to increase under-represented group recruitment to the geosciences
Principal Investigator (PI)
2022
$133.6K
Active - Hominin Sites and Paleolakes Drilling Project Annual Meeting to be held in Nairobi, Kenya in June-July, 2022
Principal Investigator (PI)
2022
$30.0K
- Collaborative Research: Reconstructing the Origins of the Colorado River: An Integrative Study of the Miocene-Pliocene Bouse Formation
Principal Investigator (PI)
2016
$111.1K
- FESD Type I: Earth System Dynamics and its Role in Human Evolution in Africa
Principal Investigator (PI)
2013
$4.9M
- FESD Type I: Earth System Dynamics and its Role in Human Evolution in Africa
Principal Investigator (PI)
2013
$75.7K
- Operations Support For Continental Scientific Drilling Workshops
Principal Investigator (PI)
2013
$53.8K
- Collaborative Research: The Hominid Sites and Paleolakes Drilling Project: Acquiring a High Resolution Paleoenvironmental Context of Human Evolution
Principal Investigator (PI)
2012
$413.8K
- IPG: Collaborative Research: A High-Resolution Analysis of Unique Paleoenvironmental Data from Key Hominin Sites in East Africa
Principal Investigator (PI)
2012
$312.8K
- The Hominin Sites and Paleolakes Drilling Project (HSPDP): Using Scientific Drilling to Understand the Paleoclimate Context of Human Evolution
Principal Investigator (PI)
2012
$25.0K
News
- Study: Climatic variability might not drive evolutionary change as much as previously thought
2022
- Drier, Less Predictable Environment May Have Spurred Human Evolution
2018
- No Volcanic Winter in East Africa From Ancient Toba Eruption
2018
- Lake Tanganyika Fisheries Declining From Global Warming
2016
- Video Highlights UA-Led Research on Human Evolution, Climate
2015
- UA Recognizes Two Regents' Professors, Four Others
2014
- UA Geoscientist Receives $4.78M to Study Links Between Human Evolution, Past Climate
2013
- September 2013: Month in Review
2013
- $2.88M to Fund Study of Links Between Human Evolution, Past Climate
2012
- Twentieth-Century Warming in Lake Tanganyika is Unprecedented
2010
- Newfound Ancient African Megadroughts May Have Driven Evolution of Humans and Fish
2007
- African Lake Demonstrates Effects of Global Warming
2003
- Faculty Awards 2003: Andrew Cohen - Creative Teaching
2003
- International Lake Geologists Meet in Tucson March 29 - April 2
2003
- $1 Million NSF Award Funds Nyanza Project Students To Study Lake Tanganyika
2002
- Year in Review 2002: Incredible Science
2002
- Ancient 'Rift Valley' Lakes Covered Gates Pass, also Whetstone, Empire Mountains in Southern Arizona
2002
- UA Scientists to Core Africa's Lake Malawi
2002
Publications (145)
Recent
- Reconstructing the Environmental Context of Human Origins in Eastern Africa through Scientific Drilling
2022
- Plio-Pleistocene African environmental variability and mammalian evolution
2022
- span style= font-size:12pt;font-family:Arial, sans-serif; Climatic controls on individual ostracode stable isotopes in a desert lake: a modern baseline for Lake Turkana /span
2022
- Orbital-scale controls on the Pleistocene hydroclimate of eastern Africa
2022
- span style= font-size:12pt;font-family:Arial, sans-serif; Pleistocene climate variability in eastern Africa influenced hominin evolution /span
2022
- span style= font-size:12pt;font-family:Arial, sans-serif; Seasonality and lake water temperature inferred from the geochemistry and sclerochronology of Quaternary freshwater bivalves from the Turkana Basin, Ethiopia and Kenya /span
2022
- span style= font-size:12pt;font-family:Arial, sans-serif; Changes in the cyclicity and variability of the eastern African paleoclimate over the last 620 kyrs /span
2021
- Orbital influence on precipitation, fire, and grass community composition from 1.87 to 1.38 Ma in the Turkana Basin, Kenya
2021
- ICDP Workshop on the Lake Tanganyika Scientific Drilling Project: A late Miocene-present record of climate, rifting, and ecosystem evolution from the world’s oldest tropical lake
2020
- Impacts of abrupt and high-frequency climate change on hominin evolution during the early Pleistocene in the Turkana Basin, Kenya
2020
- Magnetostratigraphy of the Hominin Sites and Paleolakes Drilling Project (HSPDP) Baringo-Tugen Hills Barsemoi core (Kenya).
2020
- Increased ecological resource variability during a critical transition in hominin evolution
2020
- Solar irradiance and ENSO impacts food security in Lake Tanganyika, a major African inland fishery
2020
- Phytoliths, pollen, and microcharcoal from the Baringo Basin, Kenya reveal savanna dynamics during the Plio-Pleistocene transition
2020
- Grass community composition and fire paced by insolation during the Early Pleistocene in the Turkana Basin, Kenya
2020
- African climate response to insolation and glaciation: 140,000-year climate simulation with implications for early human environments.
2020
- Recurring types of variability and transitions in the ~620 kyr record of climate changes from the Chew Bahir Basin, southern Ethiopia
2020
- Middle Pleistocene to recent diatoms and stratigraphy of the Magadi Basin, south Kenya Rift
2020
- Relationship of Sediment Influx to Ostracode Populations on the Variably Deforested Luiche and Mahale Platform Coasts of Lake Tanganyika, Tanzania
2020
- Chronostratigraphy of the Baringo-Tugen-Barsemoi (HSPDP-BTB13-1A) core -- 40Ar/39Ar dating, magnetostratigraphy, tephrostratigraphy, sequence stratigraphy and Bayesian age modeling
2019
- The Bouse Formation, a controversial Neogene archive of the evolving Colorado River: a scientific drilling workshop report (28 February–3 March 2019 – BlueWater Resort Casino, Parker, AZ, USA)
2019
- Diatom paleolimnology of late Pliocene Baringo Basin (Kenya) paleolakes
2019
- Vegetation change in the Baringo Basin, East Africa across the onset of Northern Hemisphere glaciation 3.3–2.6 Ma
2019
- δ13C records from fish fossils as paleo-indicators of ecosystem response to lake levels in the Plio-Pleistocene lakes of Tugen Hills, Kenya
2019
- Quaternary history of the Lake Magadi basin, southern Kenya Rift: evidence from outcrop and cores
2019
- Waxing and waning of forests: Late Quaternary Biogeography of southeast Africa
2018
- Subdecadal phytolith and charcoal records from Lake Malawi, East Africa imply minimal effects on human evolution from the ~74ka Toba supereruption
2018
- Distinguishing brackish lacustrine from brackish marine deposits in the stratigraphic record: A case study from the late Miocene and early Pliocene Bouse Formation, Arizona and California, USA
2018
- Linking watershed disturbance with nearrshore sedimentation and the shell beds of Lake Tanganyika (Mahale Mountains, Tanzania)
2018
- Progressive aridification in East Africa over the last half million years and implications for human evolution
2018
- A leaf wax biomarker record of early Pleistocene hydroclimate from West Turkana, Kenya
2018
- Freshwater plumes and brackish lakes: Integrated microfossil and O-C-Sr isotopic evidence from the late Miocene and early Pliocene Bouse Formation (CA-AZ) support a lake overflow model for the integration of the lower Colorado River corridor
2018
- Response of East African climate to global climate changes in a family of Earth System Models
2018
- The top of the Olduvai Subchron in a high resolution magnetostraitgraphy from the West Turkana core WTK13, Hominin Sites and Paleolakes Drilling Project (HSPDP)
2017
- The Hominin Sites and Paleolakes Drilling Project: Acquiring High-Resolution Paleoclimate Records from the East African Rift System and Their Implications for Understanding the Environmental Context of Hominin Evolution
2017
- Stable C, O and clumped isotope systematics and 14C geochronology of carbonates from the Quaternary Chewaucan closed-basin lake system, Great Basin, USA: Implications for paleoenvironmental reconstructions using carbonates
2017
- The past is the key to the future: Lessons paleoecological data can provide for management of the African Great Lakes.
2017
- East African weathering dynamics controlled by vegetation-climate feedbacks
2017
- An integrated sedimentary systems analysis of the Río Bermejo (Argentina): Megafan character in the overfilled southern Chaco Foreland Basin.
2016
- Climate warming reduces fish production and benthic habitat in Lake Tanganyika, one of the most biodiverse freshwater ecosystems
2016
- Environmental change explains cichlid adaptive radiation at Lake Malawi over the past 1.2 million years
2016
- Approaches to Middle Stone Age landscape archaeology in tropical Africa
2016
- Scientific drilling at Lake Tanganyika, Africa: A transformative record for understanding evolution in isolation and the biological history of the African continent, University of Basel, 6-8 June 2016
2016
- The Hominin Sites and Paleolakes Drilling Project: Inferring the Environmental Context of Human Evolution from Eastern African Rift Lake Deposits
2016
- Catastrophic lake spillover integrates the Late Miocene-Pliocene Colorado River and the Gulf of California: Microfaunal and stable isotope evidence from Blythe Basin, California-Arizona, USA
2016
- Atmosphere and biosphere effects of total model carbon content in CMIP5 Earth System Models
2015
- The importance of groundwater in propagating downward integration of the 6-5Ma Colorado River System: Geochemistry of springs, travertines and lacustrine carbonates of the Grand Canyon region over the past 12 million years
2015
- High-resolution paleoecological records from Lake Malawi show no significant cooling associated with the Mount Toba supereruption at ca. 75 ka
2015
- Tephrostratigraphy and depositional environment of the youngest ( 2.94 Ma) Hadar Formation (southern Afar, Ethiopia)
2015
- A continuous 1.3 million year record of East African hydroclimate, and implications for patterns of evolution and biodiversity
2015
- The sedimentary response to a rapid change in lake level in Lake Tanganyika
2015
- Renewed Geoarchaeological Investigations of Mwanganda's Village (Elephant Butchery Site), Karonga, Malawi
2014
- Modern distribution of ostracodes and other limnological indicators in southern Lake Malawi: Implications for paleoecological studies
2014
- Ecology and Evolution of the African Great Lakes and Their Faunas
2014
- Using lead isotopes and trace element records from two contrasting Lake Tanganyika sediment cores to assess watershed - Lake exchange
2014
- Vegetation Controls on Weathering Intensity during the Last Deglacial Transition in Southeast Africa
2014
- The ecology and evolution of the African Great Lakes and their faunas
2014
- Late Quaternary stratigraphy, sedimentology and geochemistry of an underfilled lake basin in the Puna plateau (northwest Argentina)
2013
- In the hot seat: Insolation, ENSO, and vegetation in the African tropics
2013
- Quaternary ostracodes and molluscs from the Rukwa Basin (Tanzania) and their evolutionary and paleobiogeographic implications
2013
- Scientific drilling in the East African rift lakes: A strategic planning workshop
2012
- Effect of aridity and rainfall seasonality on vegetation in the southern tropics of East Africa during the Pleistocene/Holocene transition
2012
- Recent paleorecords document rising mercury contamination in Lake Tanganyika
2012
- Playa-lake sedimentation and organic matter accumulation in an Andean piggyback basin: The recent record from the Cuenca de Pozuelos, North-west Argentina
2012
- Scientific drilling and biological evolution in ancient lakes: Lessons learned and recommendations for the future
2012
- Lacustrine records of Holocene flood pulse dynamics in the Upper Paraguay River watershed (Pantanal wetlands, Brazil)
2012
- The environmental context for the origins of modern human diversity: A synthesis of regional variability in African climate 150,000-30,000 years ago
2012
- Erratum to: Limnogeology in Brazil's forgotten wilderness : A synthesis from the large floodplain lakes of the Pantanal (J Paleolimnol (2011), 46, (273-289), 10.1007/s10933-011-95380-5)
2012
- Southern hemisphere tropical climate over the past 145ka: Results of the Lake Malawi Scientific Drilling Project, East Africa
2011
- Late Pleistocene paleohydrography and diatom paleoecology of the central basin of Lake Malawi, Africa
2011
- Vegetation response to glacial-interglacial climate variability near Lake Malawi in the southern African tropics
2011
- Measurement of 10Be from Lake Malawi (Africa) drill core sediments and implications for geochronology
2011
- Fish fossils as paleo-indicators of ichthyofauna composition and climatic change in Lake Malawi, Africa
2011
- Scientific drilling in the Great Rift Valley: The 2005 Lake Malawi Scientific Drilling Project - An overview of the past 145,000years of climate variability in Southern Hemisphere East Africa
2011
- Limnogeology in Brazil's forgotten wilderness : a synthesis from the large floodplain lakes of the Pantanal
2011
- Paleoecological response of ostracods to early Late Pleistocene lake-level changes in Lake Malawi, East Africa
2011
- Late-twentieth-century warming in Lake Tanganyika unprecedented since AD 500
2010
- Environmental controls on shell-rich facies in tropical lacustrine rifts: A view from Lake Tanganyika's littoral
2010
- Connecting scientific drilling and human evolution
2009
- Understanding paleoclimate and human evolution through the hominin sites and paleolakes drilling project
2009
- Northern hemisphere controls on tropical southeast African climate during the past 60,000 years
2008
- Distribution of living larval Chironomidae (Insecta: Diptera) along a depth transect at Kigoma Bay, Lake Tanganyika: implications for palaeoenvironmental reconstruction
2008
- Seismic records of late Pleistocene aridity in Lake Tanganyika, tropical East Africa
2008
- Reply to comment by Yannick Garcin on Abrupt change in tropical African climate linked to the bipolar seesaw over the past 55,000 years
2008
- Abrupt change in tropical African climate linked to the bipolar seesaw over the past 55,000 years
2007
- Paleolimnological evidence for the onset and termination of glacial aridity from Lake Tanganyika, Tropical East Africa
2007
- East African megadroughts between 135 and 75 thousand years ago and bearing on early-modern human origins
2007
- Ecological consequences of early Late Pleistocene megadroughts in tropical Africa
2007
- Late Holocene linkages between decade-century scale climate variability and productivity at Lake Tanganyika, Africa
2006
- Paleolimnological investigations of anthropogenic environmental change in Lake Tanganyika: VI. Geochemical indicators
2005
- Ecosystem and paleohydrological response to Quaternary climate change in the Bonneville Basin, Utah
2005
- Lacustrine fossil preservation in acidic environments: Implications of experimental and field studies for the Cretaceous-Paleogene boundary acid rain trauma
2005
- Individual- and assemblage-level effects of anthropogenic sedimentation on snails in Lake Tanganyika
2005
- Paleolimnological investigations of anthropogenic environmental change in Lake Tanganyika: IX. Summary of paleorecords of environmental change and catchment deforestation at Lake Tanganyika and impacts on the Lake Tanganyika ecosystem
2005
- Paleolimnological investigations of anthropogenic environmental change in Lake Tanganyika: II. Geochronologies and mass sedimentation rates based on sup 14 /sup C and sup 210 /sup Pb data
2005
- Paleolimnological investigations of anthropogenic environmental change in Lake Tanganyika: VII. Carbonate isotope geochemistry as a record of riverine runoff
2005
- Paleolimnological investigations of anthropogenic environmental change in Lake Tanganyika: III. Physical stratigraphy and charcoal analysis
2005
- Paleolimnological investigations of anthropogenic environmental change in Lake Tanganyika: I. An introduction to the project
2005
- Paleolimnological investigations of anthropogenic environmental change in Lake Tanganyika: IV. Lacustrine paleoecology
2005
- The live, the dead, and the very dead: Taphonomic calibration of the recent record of paleoecological change in Lake Tanganyika, East Africa
2004
- Climate change decreases aquatic ecosystem productivity of Lake Tanganyika, Africa
2003
- Lake-level history of Lake Tanganyika, East Africa, for the past 2500 years based on ostracode-inferred water-depth reconstruction
2003
- The impact of taphonomic processes on interpreting paleoecologic changes in large lake ecosystems: Ostracodes in Lakes Tanganyika and Malawi
2003
- Phylogenetic relationships of Gomphocythere (Ostracoda) in Lake Tanganyika, East Africa
2002
- Interpreting stable isotopes in food webs: Recognizing the role of time averaging at different trophic levels
2002
- Comment on G. Wansard F. Mezquita, the response of ostracode shell chemistry to seasonal change in a Mediterranean freshwater spring environment
2002
- Control of normal fault interaction on the distribution of major Neogene sedimentary depocenters, Lake Tanganyika, East African rift
2002
- Effects of land-use change on aquatic biodiversity: A view from the paleorecord at Lake Tanganyika, East Africa
2002
- The International Decade of East African Lakes (IDEAL) drilling initiative for the African Great Lakes
2000
- A paleoclimate record for the past 250,000 years from Summer Lake, Oregon, USA: I. Chronology and magnetic proxies for lake level
2000
- Linking spatial and temporal change in the diversity structure of ancient lakes: Examples from the ecology and palaeoecology of the Tanganyikan ostracods
2000
- A paleoclimate record for the past 250,000 years from Summer Lake, Oregon, USA: II. Sedimentology, paleontology and geochemistry
2000
- Effects of landscape disturbance on animal communities in Lake Tanganyika, East Africa
1999
- Ostracode stratigraphy and paleoecology from surficial sediments of Lake Tanganyika, Africa
1999
- Reconstruction of paleoenvironments of the Great Salt Lake Basin during the late Cenozoic
1998
- Lake level and paleoenvironmental history of Lake Tanganyika, Africa, as inferred from late Holocene and modern stromatolites
1997
- New palaeogeographic and lake-level reconstructions of Lake Tanganyika: Implications for tectonic, climatic and biological evolution in a rift lake
1997
- Human impacts on the African Great Lakes
1997
- Shell microstructure of gastropods from Lake Tanganyika, Africa: Adaptation, convergent evolution, and escalation
1996
- Textural and compositional variability across littoral segments of Lake Tanganyika: The effect of asymmetric basin structure on sedimentation in large rift lakes
1996
- New seismic stratigraphy and Late Tertiary history of the North Tanganyika Basin, East African Rift system, deduced from multichannel and high-resolution reflection seismic data and piston core evidence
1996
- Paleoecological approaches to the conservation biology of benthos in ancient lakes: A case study from Lake Tanganyika
1995
- Pleistocene-modern deposits of the Lake Tanganyika Rift Basin, East Africa: a modern analog for lacustrine source rocks and reservoirs
1994
- The effects of basin asymmetry on sand composition: Examples from Lake Tanganyika, Africa
1993
- Estimating the age of formation of lakes: an example from Lake Tanganyika, East African Rift system
1993
- The impact of sediment pollution on biodiversity in Lake Tanganyika
1993
- Modern vertebrate tracks from Lake Manyara, Tanzania and their paleobiological implications
1993
- Sedimentation in large rift lakes: example from the Middle Pleistocene - modern deposits of the Tanganyika Trough, East African Rift System
1992
- Morphology and behavior of crabs and gastropods from Lake Tanganyika, Africa: implications for lacustrine predatory-prey coevolution
1991
- Modern vertebrate track taphonomy at Lake Manyara, Tanzania
1991
- Tectono-stratigraphic model for sedimentation in Lake Tanganyika, Africa
1990
- Facies relationships and sedimentation in large rift lakes and implications for hydrocarbon exploration: Examples from lakes Turkana and Tanganyika
1989
- The taphonomy of gastropod shell accumulations in large lakes: an example from Lake Tanganyika, Africa
1989
- Speciation in brooding and poorly dispersing lacustrine organisms
1987
- Morphological divergence in endemic gastropods from Lake Tanganyika: implications for models of species flock formation
1987
- Nearshore carbonate deposits in Lake Tanganyika.
1987
- Ostracodes as indicators of paleohydrochemistry in lakes: a Late Quaternary example from Lake Elmenteita, Kenya.
1986
- Distribution and faunal associations of benthic invertebrates at Lake Turkana, Kenya
1986
- The distribution of coarse-grained sediments in modern Lake Turkana, Kenya: Implications for clastic sedimentation models of rift lakes
1986
- Effect of zoobenthic standing crop on laminae preservation in tropical lake sediment, Lake Turkana, East Africa.
1984
- Petrology and geochemistry of rhizoliths from Plio-Pleistocene fluvial and marginal lacustrine deposits, east Lake Turkana, Kenya ( Koobi Fora Formation).
1984
- Speciation in molluscs from Turkana Basin
1983
- Lacustrine paleochemical interpretations based on Eastern and Southern african ostracodes
1983
- Paleoenvironments of root casts from the Koobi Fora Formation, Kenya.
1982
- Paleolimnological research at Lake Turkana, Kenya.
1981