Results 11 to 20 of about 2,249,217 (299)

Joint inversion of proxy system models to reconstruct paleoenvironmental time series from heterogeneous data [PDF]

Climate of the Past, 2020
Paleoclimatic and paleoenvironmental reconstructions are fundamentally uncertain because no proxy is a direct record of a single environmental variable of interest; all proxies are indirect and sensitive to multiple forcing factors.
G. J. Bowen, B. Fischer-Femal, G.-J. Reichart, G.-J. Reichart, A. Sluijs, C. H. Lear   +5 more
doaj   +2 more sources

How to Deal With Multi-Proxy Data for Paleoenvironmental Reconstructions: Applications to a Holocene Lake Sediment Record From the Tian Shan, Central Asia

Frontiers in Earth Science, 2020
Multi-proxy investigations on geological archives provide valuable information about environmental variations in the past. As opposed to single-proxy studies, the combination of several proxies can reveal more detailed information and strengthen ...
Natalie Schroeter, Jaime L. Toney, Stefan Lauterbach, Stefan Lauterbach, Julia Kalanke, Anja Schwarz, Stefan Schouten, Stefan Schouten, Gerd Gleixner   +8 more
doaj   +2 more sources

Comparing proxy and model estimates of hydroclimate variability and change over the Common Era [PDF]

Climate of the Past, 2017
Water availability is fundamental to societies and ecosystems, but our understanding of variations in hydroclimate (including extreme events, flooding, and decadal periods of drought) is limited because of a paucity of modern instrumental observations ...
PAGES Hydro2k Consortium
doaj   +2 more sources

Does a proxy measure up? A framework to assess and convey proxy reliability [PDF]

Climate of the Past, 2020
Earth scientists describe a wide range of observational measurements as “proxy measurements”. By referring to such a vast body of measurements simply as “proxy”, researchers dilute significant differences in the various ways that measurements relate to ...
F. G. Boudinot, J. Wilson
doaj   +2 more sources

Coccolith clumped isotopes reveal modest rather than extreme northern high latitude amplification during the Miocene [PDF]

Nature Communications
Accurate predictions of the future climate response to CO2 depend on the ability of climate models to simulate past analog warmer climates, like the Miocene.
Luz María Mejía, Stefano M. Bernasconi, Alvaro Fernandez, Hongrui Zhang, José Guitián, Madalina Jaggi, Victoria E. Taylor, Alberto Perez-Huerta, Heather Stoll   +8 more
doaj   +2 more sources

Coherent South American Monsoon Variability During the Last Millennium Revealed Through High‐Resolution Proxy Records

Geophysical Research Letters, 2019
The number of paleoprecipitation records from the South American Monsoon domain that cover the last millennium has increased substantially in past years.
J. L. P. S. Campos, F. W. Cruz, T. Ambrizzi, M. Deininger, M. Vuille, V. F. Novello, N. M. Strikis   +6 more
doaj   +2 more sources

Application of porosity logs for cyclostratigraphic analysis in the absence of gamma ray logs [PDF]

Scientific Reports
High-resolution cyclostratigraphic and sequence stratigraphic analyses are often compromised and lead to incorrect interpretations due to the unavailability or critical, proven errors in the reference Gamma-Ray (GR) and Density (RHOB) logs in hydrocarbon
Amir Alimardanian, Ali Kodkhodaie, Mohsen Aleali, Mehran Arian, Davood Jahani   +4 more
doaj   +2 more sources

Evaluating the use of body mass index change as a proxy for anorexia nervosa recovery: a machine learning perspective [PDF]

Journal of Eating Disorders
This paper critically examines the study by Brizzi et al., which applied explainable machine learning to predict short-term treatment outcomes in patients hospitalized for anorexia nervosa (AN).
Tianfei Yu, Haolan Zhang, Yunhan Zhang, Ming Li   +3 more
doaj   +2 more sources

Strategic interpretations

Journal of Economics Theory, 2021
We study strategic communication when the sender’s multi-dimensional messages are given an interpretation by the sender himself or by a proxy.
K. Eliaz, R. Spiegler, Heidi C. Thysen
semanticscholar   +1 more source

Stability of ENSO and its tropical Pacific teleconnections over the Last Millennium [PDF]

Climate of the Past, 2015
Determining past changes in the amplitude, frequency and teleconnections of the El Niño-Southern Oscillation (ENSO) is important for understanding its potential sensitivity to future anthropogenic climate change. Palaeo-reconstructions from proxy records
S. C. Lewis, A. N. LeGrande
doaj   +1 more source