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Author |
Marine Duc |
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Title  |
“You are the Greenlandic one”. Saisir la place de la région d’origine dans la production de l’autochtonie chez les étudiant·e·s groenlandais·e·s au Danemark |
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Journal |
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Year |
2020 |
Publication |
Espace populations sociétés. space populations societies |
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Issue |
2020/1-2 |
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Abstract |
En partant des expériences quotidiennes de minorisation rencontrées par des étudiant·e·s groenlandais·e·s au Danemark, je propose de voir comment l’imposition d’un stigmate territorial -comme sa négociation – participent à la production d’une autochtonie en tension. L’objectif de cet article est donc double. D’une part, en montrant comment les représentations de la région d’origine participent aux processus de racialisation, il s’agit de mettre en évidence la manière dont un ordre national chromatisé est performé au quotidien entre Danemark et Groenland. D’autre part, en montrant que la négociation de l’imposition du stigmate n’est pas la même selon les ressources dont disposent les individus, je soulignerai la nécessité de ne pas prendre la catégorie « peuples autochtones » comme un donné, mais au contraire, de penser l’autochtonie comme un positionnement social dynamique, qui se recompose selon les contextes, selon des logiques de race, de classe et de genre, mais également selon les trajectoires des individus. |
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1213 |
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0755-7809 |
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yes |
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7641 |
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Author |
Alexandra Lavrillier |
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Title |
“Spirit-Charged” Humans in Siberia: Interrelations between the Notions of the Individual (“Spirit Charge” and “Active Imprint”) and (Ritual) Action |
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Journal |
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Year |
2020 |
Publication |
Arctic Anthropology |
Abbreviated Journal |
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Volume |
57 |
Issue |
1 |
Pages |
72-99 |
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Abstract |
This paper shows how a society imagines human individuals and their power to act upon spirits both ritually and materially. Based on the author’s fieldwork (from 1994 to 2019), it analyzes the emic concept onnir, which is omnipresent in the daily activities and the past and present collective/individual rituals of Siberian Evenki and Even. Each human owns a specific fluctuating “charge made of spirits” and an “active imprint” that empowers the human to act, perform rituals, develop talents, and create. Even after death, this “imprint” affects everything and everyone a human ever touched. Onnir defines the interrelations between the individual, the spirits of his or her own “charge,” and the spirits of the universe in an “active agent”-“patient” relationship. This paper contributes to studies of the notions of the individual, “playing” as a ritual means, the acceptance/rejection of neoshamans, neorituals, and the (ritual) agency of ordinary individuals. |
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1127 |
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0066-6939, 1933-8139 |
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yes |
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8079 |
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Yan Axel Gómez Coutouly, Angela K. Gore, Charles E. Holmes, Kelly E. Graf, Ted Goebel |
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Title |
“Knapping, My Child, is Made of Errors”: Apprentice Knappers at Swan Point and Little Panguingue Creek, Two Prehistoric Sites in Central Alaska |
Type |
Journal |
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Year |
2020 |
Publication |
Lithic Technology |
Abbreviated Journal |
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Volume |
46 |
Issue |
1 |
Pages |
2-26 |
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Keywords |
Alaska apprenticeship lithic technology microblade prehistory |
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Abstract |
In Beringia, as in many other parts of the world, stone tools are the main diagnostic cultural artifact for understanding prehistoric societies. The analysis of lithic assemblages is the basis for establishing connections between sites and techno-complexes. Through highlighting major technological trends, archaeologists are able to interpret processes such as cultural continuity and migrations. Here we present a fine-grained analysis of two assemblages to perceive in detail the individuals behind the lithic productions, more specifically apprentice knappers. Although recognition of apprenticeship in a prehistoric context is not new, this is the first such study for Alaska and Beringia. We focus on two distinct assemblages with microblade technology: the late Pleistocene component of Swan Point CZ4b (Tanana valley) and the early Holocene component of Little Panguingue Creek C2 (Nenana valley), both in central Alaska. |
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1217 |
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0197-7261 |
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0197-7261 |
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yes |
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7632 |
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Author |
Hochstrasser-Petit Ch., Romanova L., Duchesne S., Melnichuk O., Gérard P. |
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Title |
Yakut clothes of the 17th and 18th centuries, archaeology and restitution. |
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Journal |
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Year |
2020 |
Publication |
Vest. archeol. anthropol. i etnogr |
Abbreviated Journal |
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Volume |
4 |
Issue |
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Pages |
131-147 |
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Abstract |
40 Frozen Yakutian Graves, From The 17th To The 19th Century Allow The Reconstitution Of Clothes. At The End Of the 17th Century, New Fashions Are Emerging With The Ostentatious Use Of Imported Goods And The Influences Of russian Noble Circles And Chinese And/or Mongol And/or Buriat Fashions. The Garment Does Not Only Seem To Be any More An Element Of Protection Against The Cold And A Utilitarian Object But Becomes A Way To Marking The Socialization of The Individual. |
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1038 |
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yes |
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Serial |
8058 |
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Author |
Frédéric Angelier, Olivier Chastel, Adam Z. Lendvai, Charline Parenteau, Henri Weimerskirch, John C. Wingfield |
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Title |
When do older birds better resist stress? A study of the corticosterone stress response in snow petrels |
Type |
Journal |
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Year |
2020 |
Publication |
Biology letters |
Abbreviated Journal |
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Volume |
16 |
Issue |
1 |
Pages |
20190733 |
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Abstract |
Life-history theory predicts that, to optimize their fitness, individuals should increase their reproductive effort as their residual reproductive value decreases. Accordingly, several studies have shown that individuals downregulate their glucocorticoid stress response (a proxy of reproductive investment in vertebrates) as they age, and as the subsequent reproductive value decreases. However, and surprisingly, results appear inconsistent, suggesting that the environmental context or the individual state may affect the relationship between age and reproductive effort. Here, we tested for the first time this hypothesis, and more specifically, whether this attenuation of the corticosterone stress response with advancing age depends on the energetic status of individuals. We compared the influence of age on the corticosterone stress response between fasting and non-fasting breeding snow petrels (Pagodroma nivea), an extremely long-lived bird. As expected, we found that the corticosterone stress response was attenuated in old petrels, but only when they were not fasting. Interestingly, this pattern was not apparent in fasting petrels, suggesting that old birds downregulate their corticosterone stress response and increase their parental investment only when they are in good body condition. At the ultimate level, old individuals may maintain a strong corticosterone stress response when fasting because the survival costs of increased stress resistance and parental effort might then outweigh their reproductive benefits. |
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109 |
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Bachelor's thesis |
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Royal Society |
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yes |
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Serial |
7669 |
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Author |
Vojtěch Brlík, Jaroslav Koleček, Malcolm Burgess, Steffen Hahn, Diana Humple, Miloš Krist, Janne Ouwehand, Emily L. Weiser, Peter Adamík, José A. Alves, Debora Arlt, Sanja Barišić, Detlef Becker, Eduardo J. Belda, Václav Beran, Christiaan Both, Susana P. Bravo, Martins Briedis, Bohumír Chutný, Davor Ćiković, Nathan W. Cooper, Joana S. Costa, Víctor R. Cueto, Tamara Emmenegger, Kevin Fraser, Olivier Gilg, Marina Guerrero, Michael T. Hallworth, Chris Hewson, Frédéric Jiguet, James A. Johnson, Tosha Kelly, Dmitry Kishkinev, Michel Leconte, Terje Lislevand, Simeon Lisovski, Cosme López, Kent P. McFarland, Peter P. Marra, Steven M. Matsuoka, Piotr Matyjasiak, Christoph M. Meier, Benjamin Metzger, Juan S. Monrós, Roland Neumann, Amy Newman, Ryan Norris, Tomas Pärt, Václav Pavel, Noah Perlut, Markus Piha, Jeroen Reneerkens, Christopher C. Rimmer, Amélie Roberto‐Charron, Chiara Scandolara, Natalia Sokolova, Makiko Takenaka, Dirk Tolkmitt, Herman van Oosten, Arndt H. J. Wellbrock, Hazel Wheeler, Jan van der Winden, Klaudia Witte, Bradley K. Woodworth, Petr Procházka |
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Title |
Weak effects of geolocators on small birds: A meta-analysis controlled for phylogeny and publication bias |
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Journal |
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Year |
2020 |
Publication |
Journal of Animal Ecology |
Abbreviated Journal |
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Volume |
89 |
Issue |
1 |
Pages |
207-220 |
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Keywords |
condition migration phenology reproduction return rate survival tag effect tracking device |
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Abstract |
Currently, the deployment of tracking devices is one of the most frequently used approaches to study movement ecology of birds. Recent miniaturization of light-level geolocators enabled studying small bird species whose migratory patterns were widely unknown. However, geolocators may reduce vital rates in tagged birds and may bias obtained movement data. There is a need for a thorough assessment of the potential tag effects on small birds, as previous meta-analyses did not evaluate unpublished data and impact of multiple life-history traits, focused mainly on large species and the number of published studies tagging small birds has increased substantially. We quantitatively reviewed 549 records extracted from 74 published and 48 unpublished studies on over 7,800 tagged and 17,800 control individuals to examine the effects of geolocator tagging on small bird species (body mass <100 g). We calculated the effect of tagging on apparent survival, condition, phenology and breeding performance and identified the most important predictors of the magnitude of effect sizes. Even though the effects were not statistically significant in phylogenetically controlled models, we found a weak negative impact of geolocators on apparent survival. The negative effect on apparent survival was stronger with increasing relative load of the device and with geolocators attached using elastic harnesses. Moreover, tagging effects were stronger in smaller species. In conclusion, we found a weak effect on apparent survival of tagged birds and managed to pinpoint key aspects and drivers of tagging effects. We provide recommendations for establishing matched control group for proper effect size assessment in future studies and outline various aspects of tagging that need further investigation. Finally, our results encourage further use of geolocators on small bird species but the ethical aspects and scientific benefits should always be considered. |
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Programme |
1036 |
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ISSN |
1365-2656 |
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yes |
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Serial |
7670 |
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Author |
Casado M., Leroy-Dos C., Fourre E., Favier V., Agosta C., Arnaud L., Prié F., Akers P., Janssen L., Savarino J., Landais A. |
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Title |
Water vapor isotopic signature along the EAIIST traverse |
Type |
Communication |
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Year |
2020 |
Publication |
EGU General Assembly, 19-30 April 2021 |
Abbreviated Journal |
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Volume |
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Issue |
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Programme |
1177 |
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yes |
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Serial |
7868 |
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Author |
Brigitte Van Vliet-Lanoë, Oskar Knudsen, Agust Guðmundsson, Hervé Guillou, Gilles Chazot, Jessica Langlade, Céline Liorzou, Philippe Nonnotte |
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Title |
Volcanoes and climate: the triggering of preboreal Jökulhlaups in Iceland |
Type |
Journal |
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Year |
2020 |
Publication |
International Journal of Earth Sciences |
Abbreviated Journal |
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Volume |
109 |
Issue |
3 |
Pages |
847-876 |
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Abstract |
The Early Holocene (12–8.2 cal ka) deglaciation and pulsed warming was associated in Iceland with two major generations of jökulhlaups around the Vatna ice-cap (Vatnajökull), at ca 11.4–11.2 cal ka and ca 10.4–9.9 cal ka, and major tephra emissions from the Grímsvötn and Bárðarbunga subglacial volcanoes. The earliest flood events were recorded inland during the Middle Younger Dryas and their deposits were overlain by the Early Preboreal Vedde Ash (11.8 cal ka). The first Holocene flood events (ca 11.4–11.2 cal ka) are issued from a glacial advance. The second, and major, set of floods was partly driven by the Erdalen cold events and advances (10.1–9.7 10Be ka) initially issued from the Bárðarbunga (10.4, 10.1–9.9 ka) and Grímsvötn volcanoes (Saksunarvatn tephra complex, ca. 10.2–9.9 cal ka). These floods were also fed by the residual glacio-isostatic depressions below the Vatnajökull that enabled the storage of meltwaters in large subglacial lakes or aquifers until ca. 9.3 cal ka. This storage was enhanced by ice-damming and permafrost, especially during the twinned Erdalen events. Due to the glacio-isostatic rebound, the general slope was nearly flat, and the valley was partly filled with sediments until ca 10.8 cal ka. Temporary lacustrine deposits in this valley resulted from the very broad splay of waters as for the ca 11.2 cal ka and ca 10.1–9.9 cal ka flood, due to regional permafrost. These floods had a potential duration of several months as they were mostly fed by climate-driven meltwater. The maximal volume evacuated by these events did not greatly exceed 1 × 106 m3 s−1 from the flood-affected transverse profile of the valleys that remain partly filled with sediments. |
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Programme |
316 |
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ISSN |
1437-3262 |
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yes |
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Serial |
8267 |
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Author |
Hannah Joy Kriesell, Céline Le Bohec, Alexander F. Cerwenka, Moritz Hertel, Jean-Patrice Robin, Bernhard Ruthensteiner, Manfred Gahr, Thierry Aubin, Daniel Normen Düring |
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Title |
Vocal tract anatomy of king penguins: morphological traits of two-voiced sound production |
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Journal |
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Year |
2020 |
Publication |
Frontiers in Zoology |
Abbreviated Journal |
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Volume |
17 |
Issue |
1 |
Pages |
5 |
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Abstract |
The astonishing variety of sounds that birds can produce has been the subject of many studies aiming to identify the underlying anatomical and physical mechanisms of sound production. An interesting feature of some bird vocalisations is the simultaneous production of two different frequencies. While most work has been focusing on songbirds, much less is known about dual-sound production in non-passerines, although their sound production organ, the syrinx, would technically allow many of them to produce “two voices”. Here, we focus on the king penguin, a colonial seabird whose calls consist of two fundamental frequency bands and their respective harmonics. The calls are produced during courtship and for partner and offspring reunions and encode the birds’ identity. We dissected, μCT-scanned and analysed the vocal tracts of six adult king penguins from Possession Island, Crozet Archipelago. |
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Programme |
119,137 |
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Bachelor's thesis |
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ISSN |
1742-9994 |
ISBN |
1742-9994 |
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yes |
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Serial |
7671 |
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| Permanent link to this record |
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Author |
Steven Compernolle, Tijl Verhoelst, Gaia Pinardi, José Granville, Daan Hubert, Arno Keppens, Sander Niemeijer, Bruno Rino, Alkis Bais, Steffen Beirle, Folkert Boersma, John P. Burrows, Isabelle De Smedt, Henk Eskes, Florence Goutail, François Hendrick, Alba Lorente, Andrea Pazmino, Ankie Piters, Enno Peters, Jean-Pierre Pommereau, Julia Remmers, Andreas Richter, Jos van Geffen, Michel Van Roozendael, Thomas Wagner, Jean-Christopher Lambert |
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Title |
Validation of Aura-OMI QA4ECV NO2 climate data records with ground-based DOAS networks: the role of measurement and comparison uncertainties |
Type |
Journal |
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Year |
2020 |
Publication |
Atmospheric Chemistry and Physics |
Abbreviated Journal |
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Volume |
20 |
Issue |
13 |
Pages |
8017-8045 |
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Keywords |
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Abstract |
The Qa4ecv (Quality Assurance For Essential Climate Variables) Version 1.1 Stratospheric And Tropospheric No2 Vertical Column Density (Vcd) Climate Data Records (Cdrs) From The Omi (Ozone Monitoring Instrument) Satellite Sensor Are Validated Using Ndacc (Network For The Detection Of Atmospheric Composition Change) Zenith-scattered Light Differential Optical Absorption Spectroscopy (Zsl-doas) And Multi-axis Doas (Max-doas) Data As A Reference. The Qa4ecv Omi Stratospheric Vcds Have A Small Bias Of ∼0.2 Pmolec.cm-2 (5 %–10 %) And A Dispersion Of 0.2 To 1 Pmolec.cm-2 With Respect To The Zsl-doas Measurements. Qa4ecv Tropospheric Vcd Observations From Omi Are Restricted To Near-cloud-free Scenes, Leading To A Negative Sampling Bias (With Respect To The Unrestricted Scene Ensemble) Of A Few Peta Molecules Per Square Centimetre (Pmolec.cm-2) Up To −10 Pmolec.cm-2 (−40 %) In One Extreme High-pollution Case. The Qa4ecv Omi Tropospheric Vcd Has A Negative Bias With Respect To The Max-doas Data (−1 To −4 Pmolec.cm-2), Which Is A Feature Also Found For The Omi Omno2 Standard Data Product. The Tropospheric Vcd Discrepancies Between Satellite Measurements And Ground-based Data Greatly Exceed The Combined Measurement Uncertainties. Depending On The Site, Part Of The Discrepancy Can Be Attributed To A Combination Of Comparison Errors (Notably Horizontal Smoothing Difference Error), Measurement/retrieval Errors Related To Clouds And Aerosols, And The Difference In Vertical Smoothing And A Priori Profile Assumptions. |
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Programme |
209 |
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ISSN |
1680-7316 |
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Notes |
|
Approved |
yes |
|
| |
Call Number |
|
Serial |
8014 |
|
| Permanent link to this record |
