Zobrazeno 1 - 10
of 59
pro vyhledávání: '"John, Crusius"'
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 12, Pp n/a-n/a (2024)
Abstract This work evaluates glacial dust as a source of sediment, and associated iron (Fe), to the Fe‐limited Gulf of Alaska (GoA). A reanalysis of GoA sediment data, using rare earth elements and thorium as provenance tracers, suggests a flux to
Externí odkaz:
https://doaj.org/article/9ff41966989e45a3a70b8d688949a42c
Autor:
John Crusius
Publikováno v:
Earth's Future, Vol 8, Iss 4, Pp n/a-n/a (2020)
Abstract Mitigation of climate change by intentionally storing carbon in tropical forests, soils, and wetlands and by reducing greenhouse gas fluxes from these settings has been promoted as rapidly deployable and cost‐effective. This approach, some
Externí odkaz:
https://doaj.org/article/373f117a07a84fe19bc88c4e0140f7c2
Publikováno v:
Limnology and Oceanography.
Autor:
John Crusius
Publikováno v:
Journal of Geophysical Research: Biogeosciences. 126
Autor:
Robert W. Campbell, Andrew W. Schroth, Nathan J. Buck, Santiago Gassó, Christopher M. Moy, John Crusius, Joseph A. Resing
Publikováno v:
Geophys Res Lett
Our understanding of glacial flour dust storm delivery of iron to the Gulf of Alaska (GoA) is limited. Here we interpret concurrent time series satellite, meteorological, and aerosol geochemical data from the GoA to examine how interannual variabilit
Publikováno v:
Global Biogeochemical Cycles. 31:942-960
Phytoplankton growth in the Gulf of Alaska (GoA) is limited by iron (Fe), yet Fe sources are poorly constrained. We examine the temporal and spatial distributions of Fe, and its sources in the GoA, based on data from three cruises carried out in 2010
Autor:
Thomas Mockford, Helena Stewart, John Crusius, Richard Hodgkins, Robert McCulloch, Tom Bradwell, Matthew C. Baddock, G. Gisladottir, Diego M. Gaiero, Eleanor F. Darlington, Santiago Gassó, Cheryl McKenna-Neuman, Throstur Thorsteinsson, Joanna E. Bullard
Publikováno v:
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Natural dust is often associated with hot, subtropical deserts, but significant dust events have been reported from cold, high latitudes. This review synthesizes current understanding of high-latitude (≥50°N and ≥40°S) dust source geography and
Publikováno v:
2018 OCEANS - MTS/IEEE Kobe Techno-Oceans (OTO).
The Portable Remote In-Situ Metal (PRISM) sampler is a trace metal clean sampler designed for high resolution study of iron (and other metals) in marine ecosystems. Sub-nanomolar detection limits are achievable through a combination of material selec
Autor:
Kevin D. Kroeger, T. Wallace Brooks, Sandra Baldwin, Emily Pugh, Serena Moseman-Valtierra, Adrian Green, John Crusius
Publikováno v:
Chemosphere. 119:1281-1288
Large N 2 O emissions were observed from intertidal sediments in a coastal estuary, West Falmouth Harbor, MA, USA. Average N 2 O emission rates from 41 chambers during summer 2008 were 10.7 mol N 2 O m −2 h −1 ± 4.43 μmol N 2 O m −2 h −1 (s
Publikováno v:
Geochimica et Cosmochimica Acta. 142:553-569
The nitrogen (N) isotopic composition (δ15N) of bulk sedimentary N (δ15Nbulk) is a common tool for studying past biogeochemical cycling in the paleoceanographic record. Empirical evidence suggests that natural fluctuations in the δ15N of surface n