Results 111 to 120 of about 271,538 (292)

A pilot variational coupled reanalysis based on the CESAM climate model

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Variational data assimilation of in‐situ and satellite ocean data and reanalysis atmospheric data into an intermediate complexity Earth system model is possible by adjusting the surface fluxes and internal model parameters. This pilot application requires nearly complete information on the atmospheric state for synchronization.
Armin Köhl   +6 more
wiley   +1 more source

Hydrogen isotopic composition of the Tagish Lake meteorite: comparison with other carbonaceous chondrites [PDF]

open access: yes, 2001
A study into the hydrogen isotopic characteristics of whole rock samples of carbonaceous chondrites and their comparison with a whole rock sample of the Tagish Lake ...
Franchi, I. A.   +3 more
core  

Potential climatic transitions with profound impact on Europe [PDF]

open access: yes, 2011
We discuss potential transitions of six climatic subsystems with large-scale impact on Europe, sometimes denoted as tipping elements. These are the ice sheets on Greenland and West Antarctica, the Atlantic thermohaline circulation, Arctic sea ice, Alpine
A Born   +174 more
core   +1 more source

Using a causal effect network approach to quantify the impact of ENSO teleconnections on summer monsoon precipitation over the Himalayas and key regional circulations

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
We quantified the causal effect (CE) of linkages between four monthly climate indices ENSO, SMHP, RWC, and MHC for 1940–2022 with a time lag of one month. The results show CE values from (1) ENSO to SMHP of −0.33$$ -0.33 $$ to −0.44$$ -0.44 $$ (i.e., a one standard deviation (SD) increase in ENSO causes a decrease in SMHP of −0.33$$ -0.33 $$ to −0.44$$
Grzegorz Muszynski   +5 more
wiley   +1 more source

Key Scientific Developments Since the IPCC Fourth Assessment Report [PDF]

open access: yes, 2009
Provides an overview of peer-reviewed research published between July 2006 and June 2009 on fossil fuel emissions; ocean acidification; projected sea level rises; rates of ice and permafrost melting and thawing, and the lasting impacts of global ...

core  

Ground‐truthing of satellite imagery to assess seabird colony size: A test using Adélie penguins

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Adélie penguin colony size can be estimated from space using very high‐resolution (VHR; 0.3–0.6 m resolution) satellite imagery due to the contrast between their guano stain and the surrounding terrain. Our study assessed the utility of VHR imagery for making indirect assessments of changes in colony size.
Alexandra J. Strang   +9 more
wiley   +1 more source

First results of oceanographic works on Ukrainian longline vessels in Antarctica (CCAMLR zone) in 2017/2018 season

open access: yesУкраїнський антарктичний журнал, 2019
Aim of works is implementation of duties, taken by Ukraine on XXXVI Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) Session and study of habitation of main fishing objects in Antarctica waters.
V. V. Paramonov
doaj   +1 more source

Application of the dendrite analysis in the discussion on the biogeography of the Antarctic [PDF]

open access: yes, 1986
Paper received 20 October 1984.The method of construction and division of dendrites proposed by Florek et al. (1951) was used for defining of the Antarctic biojjeographic areas. The affinity matrices of Knox and Lowry (1977) resulting from the analysis
Siciński, Jacek
core  

Big Bird: A global dataset of birds in drone imagery annotated to species level

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Drones are a valuable tool for surveying birds, but manually detecting and identifying birds in drone images is costly. We assembled a diverse dataset of 23 865 images of birds captured with 21 different drones across 11 countries. We labelled 4824 of these images, detailing the location, species, posture category, age category, and sex of 49 990 birds
Joshua P. Wilson   +19 more
wiley   +1 more source

Participation of Employees and Students of the Faculty of Geodesy and Cartography in Polar Research

open access: yesReports on Geodesy and Geoinformatics, 2016
This year the Faculty of Geodesy and Cartography, Warsaw University of Technology celebrates its 95th jubilee, which provides an opportunity to present the Faculty’s rich traditions in polar research.
Pasik Mariusz   +7 more
doaj   +1 more source

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