Zobrazeno 1 - 10
of 59
pro vyhledávání: '"M. Stackpoole"'
Evaluation of metrics and thresholds for use in national-scale river harmful algal bloom assessments
Autor:
Sarah M. Stackpoole, Jacob A. Zwart, Jennifer L. Graham, Judson W. Harvey, Noah M. Schmadel, Jennifer C. Murphy
Publikováno v:
Ecological Indicators, Vol 162, Iss , Pp 111970- (2024)
The spatiotemporal distribution of harmful algal blooms (HABs) in rivers remains poorly understood, and there is an urgent need to develop a consistent set of metrics to better document HAB occurrences and forecast future events. Using data from seve
Externí odkaz:
https://doaj.org/article/5519c74abd894d5c9f3dc10207b8cf5b
Autor:
Noah M. Schmadel, Judson W. Harvey, Jay Choi, Sarah M. Stackpoole, Jennifer L. Graham, Jennifer C. Murphy
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 5, Pp n/a-n/a (2024)
Abstract Measurement of planktonic chlorophyll‐a—a proxy for algal biomass—in rivers may represent local production or algae transported from upstream, confounding understanding of algal bloom development in flowing waters. We modeled 3 years o
Externí odkaz:
https://doaj.org/article/44fc2121a1444e889421e83af74b2c5a
Publikováno v:
Water Resources Research. 57
Akademický článek
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Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America
Significance Management of agricultural phosphorus (P) has been in effect for decades with limited improvements in downstream water quality. Accumulated legacy (historical) P sources can mobilize, serve as a continual nutrient source, and mask the ef
Autor:
Donald T. Ellerby, Douglas S. Adams, M. Stackpoole, Robin Beck, Jay Feldman, Andrew P. Ingersoll, Ethiraj Venkatapathy, Helen H. Hwang, Matthew Gasch
Publikováno v:
Bulletin of the AAS. 53
This paper seeks to inform of the need for, and approaches to, sustaining critical thermal protection systems (TPS) for in-situ planetary missions in the coming decade. The key technologies, HEEET and PICA, are needed only for these NASA missions, wi
Publikováno v:
The Science of the total environment. 787
Pesticides pose a threat to the environment, but because of the substantial number of compounds, a comprehensive assessment of pesticides and an evaluation of the risk that they pose to human and aquatic life is challenging. In this study, improved a
Autor:
Owen Nishioka, Sarah L. Langston, Scott C. Splinter, Matthew Gasch, Alexander Murphy, Zion Young, Carl C. Poteet, Dinesh K. Prabhu, Benjamin Libben, Peter Gage, Joseph Williams, Frank S. Milos, Donald T. Ellerby, Cole Kazemba, Charles Kellerman, Keith Peterson, M. Stackpoole, Milad Mahzari, Ethiraj Venkatapathy
Publikováno v:
Space Science Reviews. 216
NASA has successfully developed a new and innovative Heatshield for Extreme Entry Environments Technology, or HEEET, which, at a Technology Readiness Level (TRL) of 6, is ready for use in Ice Giant missions. HEEET is not just a replacement for the le
Autor:
Michael D. DeGrandpre, Edward G. Stets, Robert G. Striegl, David Butman, Cory P. McDonald, Sarah M. Stackpoole
Publikováno v:
Global Biogeochemical Cycles. 31:663-677
Multiple processes support the significant efflux of carbon dioxide (CO2) from rivers and streams. Attribution of CO2 oversaturation will lead to better quantification of the freshwater carbon cycle and provide insights into the net cycling of nutrie
Autor:
Brian A. Pellerin, Edward G. Stets, Sarah M. Stackpoole, George R. Aiken, Irena F. Creed, Robert M. Hirsch, David W. Clow, Douglas A. Burns, Robert G. Striegl, Brent T. Aulenbach, Hjalmar Laudon
Publikováno v:
Hydrological Processes. 31:902-915
Recent studies have found insignificant or decreasing trends in time-series dissolved organic carbon (DOC) datasets, questioning the assumption that long-term DOC concentrations in surface waters are increasing in response to anthropogenic forcing, i