Explanipedia

Prolonged drought on Rapa Nui during the decline of megalithic monument construction Open

Redmond Stein, L. Curtin, Nicholas L. Balascio, Raymond S. Bradley, D. M. Peteet , et al. · 2025

Beginning in the 13th century, Polynesian settlers on the island of Rapa Nui engaged in megalithic monument construction, crafting hundreds of ahu platforms and moai statues from volcanic bedrock. The decline of this tradition centuries la…

Geomagnetic Secular Variation Models for Latitude Scaling of Cosmic Ray Flux and Considerations for 10Be Exposure Dating of Laurentide Ice Sheet Retreat Open

Dennis V. Kent, Luca Lanci, D. M. Peteet · 2025

Published cosmogenic 10Be exposure ages from the terminal moraine of the Laurentide Ice Sheet (LIS) in northeastern North America have been interpreted to date the start of the retreat of the LIS at the Last Glacial Maximum (LGM) about 25 …

Reduced Precipitation on Rapa Nui During the Decline of the Moai Culture Open

Redmond Stein, L. Curtin, Nicholas L. Balascio, Raymond S. Bradley, D. M. Peteet , et al. · 2025

From approximately 1200-1600 CE, Polynesian settlers on the island of Rapa Nui engaged in megalithic monument construction, crafting hundreds of Ahu platforms and Moai statues from volcanic bedrock. The decline of this tradition has intrig…

Plant, insect, and fungi fossils under the center of Greenland’s ice sheet are evidence of ice-free times Open

Paul R. Bierman, Halley M. Mastro, D. M. Peteet, Lee B. Corbett, Eric J. Steig , et al. · 2024

The persistence and size of the Greenland Ice Sheet (GrIS) through the Pleistocene is uncertain. This is important because reconstructing changes in the GrIS determines its contribution to sea level rise during prior warm climate periods a…

Deglaciation of northwestern Greenland during Marine Isotope Stage 11 Open

Andrew J. Christ, Tammy M. Rittenour, Paul R. Bierman, Benjamin A. Keisling, Paul Cornils Knutz , et al. · 2023

Past interglacial climates with smaller ice sheets offer analogs for ice sheet response to future warming and contributions to sea level rise; however, well-dated geologic records from formerly ice-free areas are rare. Here we report that …

Cosmogenic nuclide dating conundrum for retreat of the Laurentide Ice Sheet and the critical roles of geomagnetic and heliomagnetic modulation of cosmic ray flux Open

Dennis V. Kent, Luca Lanci, D. M. Peteet · 2023

What we regard as anomalously old 10Be exposure dates reported from the terminal moraine of the Laurentide Ice Sheet (LIS) in northeastern North America, such as recently published for Allamuchy NJ, ostensibly point to the start of deglaci…

Why a Marsh Open

Daniel Wolff, D. M. Peteet · 2022

PLEISTOCENE BEETLES AND PLANTS FROM NEAR SLIPPERY ROCK, PENNSYLVANIA, FROM THE TITUSVILLE INTERSTADE (MIS 3) Open

Aaron D. Bierly, Allan Ashworth, D. M. Peteet, Margaret Davis, Brendan J. Culleton · 2022

During the mining of sand and gravel from glacial deposits at the Three Rivers Aggregate Companies Quarry, Slippery Rock, Pennsylvania (GPS: 41.043369°, -80.150203°), wood, moss, charcoal, fungal sclerotia, Picea (spruce) needles, Salix (w…

WALLY BROECKER—USING RADIOCARBON FOR PUZZLES OF THE GLACIAL AND DEGLACIAL ENVIRONMENT Open

D. M. Peteet · 2021

Wally Broecker’s puzzles required radiocarbon dating in order to solve them.

Placing the east-west North American aridity gradient in a multi-century context Open

Daniel A. Bishop, Park Williams, Richard Seager, Edward R. Cook, D. M. Peteet , et al. · 2021

Instrumental records indicate a century-long trend towards drying over western North America and wetting over eastern North America. A continuation of these trends into the future would have significant hydroclimatic and socioeconomic cons…

Importance of quantifying the full-depth carbon reservoir of Jamaica Bay salt Marshes, New York Open

Grant Pace, D. M. Peteet, Molly Dunton, Carol Wang-Mondaca, S. Y. Ismail , et al. · 2021

Summer temperatures during the last glaciation (MIS 5c to MIS 3) inferred from a 50,000-year chironomid record from Füramoos, southern Germany Open

Alexander Bolland, Oliver A. Kern, Frederik J. Allstädt, D. M. Peteet, Andreas Koutsodendris , et al. · 2021

There is a sparsity of long, continuous palaeotemperature records for the last glacial period in central Europe, particularly for the interval corresponding to Marine Isotope Stages (MIS) 4 and 3. Here we present a new, ca. 50-thousand yea…

A multimillion-year-old record of Greenland vegetation and glacial history preserved in sediment beneath 1.4 km of ice at Camp Century Open

Andrew J. Christ, Paul R. Bierman, Joerg M. Schaefer, Dorthe Dahl‐Jensen, J. P. Steffensen , et al. · 2021

Significance Understanding Greenland Ice Sheet history is critical for predicting its response to future climate warming and contribution to sea-level rise. We analyzed sediment at the bottom of the Camp Century ice core, collected 120 km …

Climate and anthropogenic controls on blue carbon sequestration in Hudson River tidal marsh, Piermont, New York Open

D. M. Peteet, J. E. Nichols, Dee Cabaniss Pederson, T. C. Kenna, Clara Chang , et al. · 2020

Tidal marshes globally are experiencing erosion with sea level rise. In order to adaptively plan for essential marsh preservation, we recognize the importance of the investigation of marsh archives for the perspective they provide toward r…

Camp Century ice core basal sediments record the absence of the Greenland Ice Sheet within the last million years Open

Andrew J. Christ, Paul R. Bierman, Dorthe Dahl‐Jensen, J. P. Steffensen, D. M. Peteet , et al. · 2020

<p>The Greenland Ice Sheet (GrIS) is melting in response to a rapidly warming climate.  It is imperative to understand GrIS sensitivity to past climate, especially during periods when the ice sheet was smaller than present o…

Placing the east-west United States aridity gradient in a millennial context Open

Daniel A. Bishop, Park Williams, Richard Seager, Edward R. Cook, D. M. Peteet , et al. · 2020

<p>Global climate change is projected to exacerbate regional droughts across much of the globe by the end of the 21<sup>st</sup>century, while increases in precipitation extremes are projected to increase regional flood r…

Editorial: North Pacific Environment and Paleoclimate From the Late Pleistocene to Present Open

Miriam C. Jones, Lesleigh Anderson, D. M. Peteet · 2019

EDITORIAL article Front. Earth Sci., 26 November 2019Sec. Quaternary Science, Geomorphology and Paleoenvironment Volume 7 - 2019 | https://doi.org/10.3389/feart.2019.00293

Holocene Ecohydrological Variability on the East Coast of Kamchatka Open

J. E. Nichols, D. M. Peteet, Andrei Andreev, Fabian Stute, Tiara Ogus · 2019

The Late Glacial and Holocene climate of the western North Pacific is less studied than that of the eastern North Pacific. While it is well known that strong east-west gradients in the tropical Pacific Ocean influence terrestrial climate, …

Holocene Vegetation, Climate, and Carbon History on Western Kodiak Island, Alaska Open

D. M. Peteet, J. E. Nichols, Daniel H. Mann · 2019

At Phalarope Pond, western Kodiak Island, a multidisciplinary study using pollen and spores, macrofossils, stable isotopes, and carbon accumulation provides the Holocene vegetation and climate history following the deglaciation that began …

Widespread global peatland establishment and persistence over the last 130,000 y Open

Claire C. Treat, Thomas Kleinen, Nils Broothaerts, April S. Dalton, René Dommain , et al. · 2019

Glacial−interglacial variations in CO 2 and methane in polar ice cores have been attributed, in part, to changes in global wetland extent, but the wetland distribution before the Last Glacial Maximum (LGM, 21 ka to 18 ka) remains virtually…

(Table S1) Global dataset of buried peat locations, ages, and descriptions Open

Claire C. Treat, Nils Broothaerts, April S. Dalton, René Dommain, Tom Douglas , et al. · 2019

Sediment starvation destroys New York City marshes’ resistance to sea level rise Open

D. M. Peteet, J. E. Nichols, T. C. Kenna, Clara Chang, James P. Browne , et al. · 2018

Significance Worldwide, coastal marshes are facing extreme impacts, including urban encroachment, pollution, upriver dams, and sea level rise. Our research provides a method of sediment history reconstruction to understand the role of plan…

Climatic history of the northeastern United States during the past 3000 years Open

Jennifer R. Marlon, Neil Pederson, Connor Nolan, Simon Goring, Bryan N. Shuman , et al. · 2017

Many ecosystem processes that influence Earth system feedbacks – vegetation growth, water and nutrient cycling, disturbance regimes – are strongly influenced by multidecadal- to millennial-scale climate variations that cannot be directly o…

(Table S2) Global dataset of peatland basal ages Open

Claire C. Treat, Nils Broothaerts, April S. Dalton, René Dommain, Tom Douglas , et al. · 2017

Climate and Fuel Controls on North American Paleofires: Smoldering to Flaming in the Late-glacial-Holocene Transition Open

Yongming Han, D. M. Peteet, R. Arimoto, Junji Cao, Zhisheng An , et al. · 2016

On the reconstruction of palaeo-ice sheets: Recent advances and future challenges Open

Chris R. Stokes, Lev Tarasov, Robin Blomdin, T. M. Cronin, Timothy G. Fisher , et al. · 2015

The potential for an independent source of Younger Dryas tree-ring radiocarbon data from the Lake Ontario region, North America, and its palaeoenvironmental context Open

Carol B. Griggs, John Southon, Bernd Kromer, Alan Hogg, Todd Grote , et al. · 2015

Tree rings are the gold standard for the calibration of radiocarbon dates into calendar years with limited error due to their annual record of radiocarbon content in the atmosphere. Currently, the tree-ring 14C data used in the Internation…

D. M. Peteet YOU? Author Swipe