Sentences with word «paleoenvironmental»

Analysis of microfauna from paleontological and archaeological sites of the late Pleistocene and Holocene of North America has aided in paleoenvironmental reconstructions.

Controlled breaking of mummified wood for use in paleoenvironmental analysis.

Domack, E., A. Leventer, S. Root, J. Ring, E. Williams, D. Carlson, E. Hirshorn, W. Wright, R. Gilbert, and G. Burr, Marine sedimentary record of natural environmental variability and recent warming in the Antarctic Peninsula, in Antarctic Peninsula Climate Variability: Historical and Paleoenvironmental Perspectives, E. Domack, et al., Editors.

The Historical Legacies group is a multi-institutional partnership that uses paleoenvironmental information preserved in tree rings, lake - sediments, archeological and other records to reconstruct climate, vegetation and disturbance history.

«Today, phosphorus is also a limiting nutrient for the oceans, but the input of the phosphorus and iron into the ocean from these volcanoes has major paleoenvironmental and ecological consequences.»

Dr. C. Mark Eakin is Coordinator of NOAA's Coral Reef Watch, an effort focused on the monitoring of coral reef ecosystems through satellite, in situ, and paleoenvironmental observations.

Indeed, hemlocks provide «arguably the most important natural archive of annually resolved paleoenvironmental data across eastern North America,» write Hessl and forest ecologist Neil Pederson of the Lamont - Doherty Earth Observatory at Columbia University.

The development of active freshwater systems during these periods corresponds with monsoon intensity increases during insolation maxima, suggesting that humid periods in Arabia were not confined to eccentricity - paced deglaciations, and providing paleoenvironmental support for multiple windows of opportunity for dispersal out of Africa during the late Pleistocene.

Shoring up cases for biosignatures and paleoenvironmental settings, including comparative studies with Earth analogue samples using the 2020 instruments, as well as better constraining the age of the deposits (within the early Mars window of wet surface environments), are all tasks ahead.

These hot spring deposits are now recognised worldwide as paleoenvironmental evidence for extreme life and analogues for Early Earth and Mars habitable environments.

Rook L, Ghinassi M, Carnevale G, Delfino M, Pavia M, Bondioli L, Candilio F, Coppa A, Martínez - Navarro B, Medin T, Papini M, Zanolli C, Libsekal Y (2013) Stratigraphic context and paleoenvironmental significance of minor taxa (Pisces, Reptilia, Aves, Rodentia) from the late Early Pleistocene paleoanthropological site of Buia (Eritrea) J Hum Evol, 64 (1), 83 - 92 PubMed 23159190

Radiocarbon and optically stimulated luminescence dating confirm the antiquity of the sediments, thereby extending the terrestrial paleoenvironmental record of the Canadian Arctic by hundreds of thousands of years.

Macrobotanical remains found in the digestive tracts of late Pleistocene animals frozen in the permafrost regions of Siberia and Alaska also have made it possible to build paleoenvironmental reconstructions tied to absolute chronologies.

Recent discoveries of the dung deposits of Pleistocene animals in dry caves and alcoves on the Colorado Plateau, including those of mammoth, bison, horse, sloth, extinct forms of mountain goats, and shrub oxen, have provided floristic assemblages from which temperature and moisture requirements for such assemblages can be deduced in order to develop paleoenvironmental reconstructions tied to an absolute chronology.

Late Holocene environmental reconstructions and their implications on flood events, typhoon, and agricultural activities in NE Taiwan We reconstructed paleoenvironmental changes from a sediment archive of a lake in the floodplain of the Ilan Plain of NE Taiwan on multi-decadal resolution for the last ca. 1900 years.

Paleoenvironmental studies suggest that the AMO has persisted through previous centuries [Gray et al., 2004] and even millennia [Knudsen et al., 2011].»

Developments in Paleoenvironmental Research 11, Springer, Berlin, 3 - 15.

In Antarctic Peninsula climate variability: historical and paleoenvironmental perspectives, Antarctic Research Series 79: 79 - 92.

The study examines anatomical, paleoenvironmental and chemical evidence, as well as the feeding behavior of living animals.

Our current research in this area focuses on understanding the paleoenvironmental implications of a radical change in sedimentary iron biogeochemistry in the mid-Atlantic U.S. during the Paleocene - Eocene Thermal Maximum (PETM), a severe global warming event that occurred 55 million years ago.