Výsledky vyhledávání - "D P Nicholson"

Akademický článek

Reviews and syntheses: expanding the global coverage of gross primary production and net community production measurements using Biogeochemical-Argo floats

Autor: R. W. Izett, K. Fennel, A. C. Stoer, D. P. Nicholson

Publikováno v: Biogeosciences, Vol 21, Pp 13-47 (2024)

This paper provides an overview and demonstration of emerging float-based methods for quantifying gross primary production (GPP) and net community production (NCP) using Biogeochemical-Argo (BGC-Argo) float data. Recent publications have described GP

Externí odkaz: https://doaj.org/article/feb2837ac5954c67ad5ad302f3cfd953

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Akademický článek

Global Ocean Cooling of 2.3°C During the Last Glacial Maximum

Autor: A. M. Seltzer, P. W. Davidson, S. A. Shackleton, D. P. Nicholson, S. Khatiwala

Publikováno v: Geophysical Research Letters, Vol 51, Iss 9, Pp n/a-n/a (2024)

Abstract Quantitative constraints on past mean ocean temperature (MOT) critically inform our historical understanding of Earth's energy balance. A recently developed MOT proxy based on paleoatmospheric Xe, Kr, and N2 ratios in ice core air bubbles is

Externí odkaz: https://doaj.org/article/42d0da9b4caa402382a0a93fe10742fd

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Akademický článek

To Forgive Is Divine? Morality and the Status Value of Intergroup Revenge and Forgiveness

Autor: Stephen Benard, Long Doan, D. Adam Nicholson, Emily Meanwell, Eric L. Wright, Peter Lista

Publikováno v: RSF: The Russell Sage Foundation Journal of the Social Sciences, Vol 8, Iss 6, Pp 122-139 (2022)

Intergroup conflict is a costly and persistent aspect of social life, and one that often carries great moral significance for those who participate in it. Ostensibly moral behaviors can provide a path to social status in groups, as when self-sacrific

Externí odkaz: https://doaj.org/article/2ddd58346cb445aebf68e47a472bb175

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Akademický článek

Changes in gross oxygen production, net oxygen production, and air-water gas exchange during seasonal ice melt in Whycocomagh Bay, a Canadian estuary in the Bras d'Or Lake system

Autor: C. C. Manning, R. H. R. Stanley, D. P. Nicholson, B. Loose, A. Lovely, P. Schlosser, B. G. Hatcher

Publikováno v: Biogeosciences, Vol 16, Pp 3351-3376 (2019)

Sea ice is an important control on gas exchange and primary production in polar regions. We measured net oxygen production (NOP) and gross oxygen production (GOP) using near-continuous measurements of the O2∕Ar gas ratio and discrete measurements o

Externí odkaz: https://doaj.org/article/7a0f0481da5d4d248f64cf306b6b69d4

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Akademický článek

Comment on: 'Technical note: Consistent calculation of aquatic gross production from oxygen triple isotope measurements' by Kaiser (2011)

Autor: D. P. Nicholson

Publikováno v: Biogeosciences, Vol 8, Iss 10, Pp 2993-2997 (2011)

Kaiser (2011) has introduced an improved method for calculating gross productivity from the triple isotopic composition of dissolved oxygen in aquatic systems. His equation avoids approximations of previous methodologies, and also accounts for additi

Externí odkaz: https://doaj.org/article/3ac604a101a14067900947e43f428e09

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Performance of Foyle Bridge east abutment

Autor: D. P. Nicholson

Publikováno v: Géotechnique. 44:757-769

The use of high quality granular embankment fill at Foyle Bridge enabled the east abutment to be founded directly on pad footings within the 13 m high approach embankment. This has allowed considerable savings to be made when compared with the piled

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::855f76bdf4e8f62f0f85c1a8b1e18dcf
https://doi.org/10.1680/geot.1994.44.4.757

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