Jeremy C Havens
Jeremy Havens is a Geographer with the Geosciences and Environmental Change Science Center in Denver, Colorado.
My role with the GECSC is to provide graphic and website support for our research scientists. I am also the Scientific Records Liaison for the Center.
Professional Experience
2022 to present: USGS
2003 - 2022: Contractor, working with USGS Geosciences and Environmental Change Science Center
2001 - 2003: USGS
Education and Certifications
BA, Geography: Metropolitan State University of Denver, 2023
BFA, Computer Imaging: Metropolitan State University of Denver, 2002
BA, Studio Art: University of Colorado, Boulder, 1992
Science and Products
The publications below are ones where I am listed as co-author. Some were created when I worked as a contractor at the USGS.
Holocene paleohydrology from alpine lake sediment, Emerald Lake, Wasatch Plateau of central Utah, USA
Holocene sediments at Emerald Lake in central Utah (3090 m asl) document the paleohydroclimatic history of the western Upper Colorado River headwater region. Multi-proxy analyses of sediment composition, mineralogy, and stable isotopes of carbonate (δ18O and δ13C) show changes in effective moisture for the past ca. 10,000 years at millennial to decadal timescales. Emerald Lake originated as a shal
Authors
Lesleigh Anderson, Gary L. Skipp, Laura E. Strickland, Jeffrey S. Honke, Jeremy C Havens, D. Paco Van Sistine
Boreal blazes: Biomass burning and vegetation types archived in the Juneau Icefield
The past decade includes some of the most extensive boreal forest fires in the historical record. Warming temperatures, changing precipitation patterns, the desiccation of thick organic soil layers, and increased ignition from lightning all contribute to a combustive combination. Smoke aerosols travel thousands of kilometers, before blanketing the surfaces on which they fall, such as the Juneau Ic
Authors
Natalie Kehrwald, Jeramy Roland Jasmann, Melissa E. Dunham, David G. Ferris, Erich C. Osterburg, Joshua Kennedy, Jeremy C. Havens, Larry B. Barber, Sarah K. Fortner
Late Quaternary paleohydrology of desert wetlands and pluvial lakes in the Soda Lake basin, central Mojave Desert, California (USA)
Sediment cores taken near extant springs along the western margin of Soda Lake playa, as well as from the playa center, reveal dramatic hydrologic changes that occurred in the central Mojave Desert during the late Quaternary. Results of stratigraphic, chronologic, physical, chemical, and microfossil analyses of seven cores, ranging in length from 5 to 23 m, help refine the timing and character of
Authors
Jeffrey S. Honke, Jeffrey S. Pigati, J. Wilson, J. Bright, H.L. Goldstein, Gary L. Skipp, M. C. Reheis, J. C. Havens
Investigating the landscape of Arroyo Seco—Decoding the past—A teaching guide to climate-controlled landscape evolution in a tectonically active region
IntroductionArroyo Seco is a river that flows eastward out of the Santa Lucia Range in Monterey County, California. The Santa Lucia Range is considered part of the central California Coast Range. Arroyo Seco flows out of the Santa Lucia Range into the Salinas River valley, near the town of Greenfield, where it joins the Salinas River. The Salinas River flows north into Monterey Bay about 40 miles
Authors
Emily M. Taylor, Donald S. Sweetkind, Jeremy C. Havens
Constraints on the age of the Great Sand Dunes, Colorado, from subsurface stratigraphy and OSL dates
The age of the Great Sand Dunes has been debated for nearly 150 yr. Seven ages ranging from Miocene to late Holocene have been proposed for them. This paper presents new information—chiefly subsurface stratigraphic data, OSL dates, and geomorphic evidence—that indicates that the Great Sand Dunes began to form in the latter part of the middle Pleistocene. The dunes overlie a thick wedge of piedmont
Authors
Richard F. Madole, Shannon Mahan, Joseph H. Romig, Jeremy C. Havens
Geologic map and hydrogeologic investigations of the upper Santa Cruz River basin, southern Arizona
This report includes an updated geologic map and cross sections of the upper Santa Cruz River basin, southern Arizona. The map and cross sections describe the geometry, thickness, and structure of the Miocene to Holocene units which form the main aquifers in the basin. The report also includes results of new hydrogeologic studies including (1) mapping and defining depth to bedrock based on geophys
Science and Products
The publications below are ones where I am listed as co-author. Some were created when I worked as a contractor at the USGS.
Holocene paleohydrology from alpine lake sediment, Emerald Lake, Wasatch Plateau of central Utah, USA
Holocene sediments at Emerald Lake in central Utah (3090 m asl) document the paleohydroclimatic history of the western Upper Colorado River headwater region. Multi-proxy analyses of sediment composition, mineralogy, and stable isotopes of carbonate (δ18O and δ13C) show changes in effective moisture for the past ca. 10,000 years at millennial to decadal timescales. Emerald Lake originated as a shal
Authors
Lesleigh Anderson, Gary L. Skipp, Laura E. Strickland, Jeffrey S. Honke, Jeremy C Havens, D. Paco Van Sistine
Boreal blazes: Biomass burning and vegetation types archived in the Juneau Icefield
The past decade includes some of the most extensive boreal forest fires in the historical record. Warming temperatures, changing precipitation patterns, the desiccation of thick organic soil layers, and increased ignition from lightning all contribute to a combustive combination. Smoke aerosols travel thousands of kilometers, before blanketing the surfaces on which they fall, such as the Juneau Ic
Authors
Natalie Kehrwald, Jeramy Roland Jasmann, Melissa E. Dunham, David G. Ferris, Erich C. Osterburg, Joshua Kennedy, Jeremy C. Havens, Larry B. Barber, Sarah K. Fortner
Late Quaternary paleohydrology of desert wetlands and pluvial lakes in the Soda Lake basin, central Mojave Desert, California (USA)
Sediment cores taken near extant springs along the western margin of Soda Lake playa, as well as from the playa center, reveal dramatic hydrologic changes that occurred in the central Mojave Desert during the late Quaternary. Results of stratigraphic, chronologic, physical, chemical, and microfossil analyses of seven cores, ranging in length from 5 to 23 m, help refine the timing and character of
Authors
Jeffrey S. Honke, Jeffrey S. Pigati, J. Wilson, J. Bright, H.L. Goldstein, Gary L. Skipp, M. C. Reheis, J. C. Havens
Investigating the landscape of Arroyo Seco—Decoding the past—A teaching guide to climate-controlled landscape evolution in a tectonically active region
IntroductionArroyo Seco is a river that flows eastward out of the Santa Lucia Range in Monterey County, California. The Santa Lucia Range is considered part of the central California Coast Range. Arroyo Seco flows out of the Santa Lucia Range into the Salinas River valley, near the town of Greenfield, where it joins the Salinas River. The Salinas River flows north into Monterey Bay about 40 miles
Authors
Emily M. Taylor, Donald S. Sweetkind, Jeremy C. Havens
Constraints on the age of the Great Sand Dunes, Colorado, from subsurface stratigraphy and OSL dates
The age of the Great Sand Dunes has been debated for nearly 150 yr. Seven ages ranging from Miocene to late Holocene have been proposed for them. This paper presents new information—chiefly subsurface stratigraphic data, OSL dates, and geomorphic evidence—that indicates that the Great Sand Dunes began to form in the latter part of the middle Pleistocene. The dunes overlie a thick wedge of piedmont
Authors
Richard F. Madole, Shannon Mahan, Joseph H. Romig, Jeremy C. Havens
Geologic map and hydrogeologic investigations of the upper Santa Cruz River basin, southern Arizona
This report includes an updated geologic map and cross sections of the upper Santa Cruz River basin, southern Arizona. The map and cross sections describe the geometry, thickness, and structure of the Miocene to Holocene units which form the main aquifers in the basin. The report also includes results of new hydrogeologic studies including (1) mapping and defining depth to bedrock based on geophys