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Letscher, Robert
ASSISTANT PROFESSOR, Earth Sciences
Robert.Letscher@unh.edu
603-862-1008
Websites
http://robertletscher.wordpress.com/
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Letscher, Robert
ASSISTANT PROFESSOR, Earth Sciences
Positions
Member
,
College of Engineering and Physical Sciences (CEPS)
,
University of New Hampshire
Member
,
Tenure Faculty (CEPS)
,
College of Engineering and Physical Sciences (CEPS)
Member
,
Earth Sciences
,
College of Engineering and Physical Sciences (CEPS)
Project Scientist
,
University of California, Irvine
2016 - 2017
Postdoctoral Scholar
,
University of California, Irvine
2012 - 2016
Graduate Research Assistant
,
University of Miami, RSMAS
2007 - 2012
Research Areas
Biogeochemistry
Ocean Modeling
Oceanography
Overview
Publications
Research
Teaching
Background
Contact
Overview
Overview
Assistant Professor of Chemical Oceanography
Earth Sciences &
Ocean Process Analysis Laboratory
Publications
Selected Publications
Academic Article
Filter
Year
Title
2022
Marine phytoplankton resilience may moderate oligotrophic ecosystem responses and biogeochemical feedbacks to climate change
.
Limnology and Oceanography
. 67:S378-S389.
2022
2021
Simulations With the Marine Biogeochemistry Library (MARBL)
.
Journal of Advances in Modeling Earth Systems
. 13.
2021
2020
The Dual Isotopic Composition of Nitrate in the Gulf of Mexico and Florida Straits
.
Journal of Geophysical Research: Oceans
. 125.
2020
2018
Evaluation of the seasonal formation of subsurface negative preformed nitrate anomalies in the subtropical North Pacific and North Atlantic
.
Biogeosciences
. 15:6461-6480.
2018
2018
Does Marine Surface Tension Have Global Biogeography? Addition for the OCEANFILMS Package
.
ATMOSPHERE
. 9:216-216.
2018
2018
Vertically migrating phytoplankton drive seasonal formation of subsurface negative preformed nitrate anomalies in the subtropical North Pacific and North Atlantic
.
Biogeosciences Discussions
. 1-40.
2018
2018
Large Stimulation of Recalcitrant Dissolved Organic Carbon Degradation by Increasing Ocean Temperatures
.
Frontiers in Marine Science
. 4:436.
2018
2017
Modest net autotrophy in the oligotrophic ocean
.
Global Biogeochemical Cycles
. 31:699-708.
2017
2017
N2O production and consumption from stable isotopic and concentration data in the Peruvian coastal upwelling system
.
Global Biogeochemical Cycles
. 31:678-698.
2017
2016
Nutrient budgets in the subtropical ocean gyres dominated by lateral transport
.
Nature Geoscience
. 9:815-+.
2016
2016
New nutrients exert fundamental control on dissolved organic carbon accumulation in the surface Atlantic Ocean.
.
Proceedings of the National Academy of Sciences of the United States of America
. 113:10497-10502.
2016
2015
Microbial community composition and nitrogen availability influence DOC remineralization in the South Pacific Gyre
.
Marine Chemistry
. 177:325-334.
2015
2015
Global distribution and surface activity of macromolecules in offline simulations of marine organic chemistry
.
Biogeochemistry
. 126:25-56.
2015
2015
Preferential remineralization of dissolved organic phosphorus and non-Redfield DOM dynamics in the global ocean: Impacts on marine productivity, nitrogen fixation, and carbon export
.
Global Biogeochemical Cycles
. 29:325-340.
2015
2015
Variable C: N: P stoichiometry of dissolved organic matter cycling in the Community Earth System Model
.
Biogeosciences
. 12:209-221.
2015
2014
Variable C : N : P stoichiometry of dissolved organic matter cycling in the Community Earth System Model
.
Biogeosciences Discussions
. 11:9071-9101.
2014
2013
Dissolved organic nitrogen dynamics in the Arctic Ocean
.
Marine Chemistry
. 148:1-9.
2013
2013
Dissolved organic nitrogen in the global surface ocean: Distribution and fate
.
Global Biogeochemical Cycles
. 27:141-153.
2013
2011
Effect of Dissolved Organic Carbon and Alkalinity on the Density of Arctic Ocean Waters
.
Aquatic Geochemistry
. 17:311-326.
2011
2011
Rapid removal of terrigenous dissolved organic carbon over the Eurasian shelves of the Arctic Ocean
.
Marine Chemistry
. 123:78-87.
2011
Does Marine Surface Tension Have Global Biogeography? Addition for the OCEANFILMS Package
.
ATMOSPHERE
.
Phosphate and iron stress control global surface ocean dissolved organic phosphorus concentrations
Regionally variable contribution of dissolved organic phosphorus to marine annual net community production
Relative contributions of sinking and non-sinking carbon to the downward carbon flux
Response to Anonymous Referee #1
Response to Anonymous Referee #3
Simulations with the Marine Biogeochemistry Library (MARBL)
Supplementary material to "Vertically migrating phytoplankton drive seasonal formation of subsurface negative preformed nitrate anomalies in the subtropical North Pacific and North Atlantic"
Research
Principal Investigator On
Collaborative Research: What controls the marine refractory DOC reservoir?
awarded by
National Science Foundation (NSF)
2021 - 2024
Collaborative Research: Transparent Exopolymer and Phytoplankton Vertical Migration as sources for Performed Nitrate Anomalies in the Subtropical N. Pacific Ocean
awarded by
University of Texas
2021 - 2023
Collaborative Research: Transparent Exopolymer and Phytoplankton Vertical Migration as Sources for Preformed Nitrate Anomalies in the Subtropical N. Pacific Ocean
awarded by
National Science Foundation (NSF)
2019 - 2023
Development of the E3SM Marine Biogeochemistry for Studying Biogeochemistry-Climate Feedbacks
awarded by
University of California at Irvine
2021 - 2022
Collaborative Research: Dissolved Organic Phosphorus Controls on Marine Nitrogen Fixation and Export Production
awarded by
National Science Foundation (NSF)
2018 - 2022
Investigator On
MRI: Acquisition of a Computer Cluster for the Study of Fluids, Heliophysics, and Astrophysical Plasma
awarded by
National Science Foundation (NSF)
2019 - 2022
Teaching
Teaching Activities
Chemical Oceanography
Taught course
2022
Student Research Experience
Taught course
2022
Freshman Field Seminar
Taught course
2021
Introduction to Oceanography
Taught course
2021
Topics/Ocean Biogeochemistry
Taught course
2021
Adv Rsrch Exp/Earth Sciences
Taught course
2021
Chemical Oceanography
Taught course
2021
Chemical Oceanography
Taught course
2021
Adv Rsrch Exp/Earth Science
Taught course
2020
Aqueous Geochemistry
Taught course
2020
Aqueous Geochemistry
Taught course
2020
Introduction to Oceanography
Taught course
2020
Rsrch Exp/Earth Sciences
Taught course
2020
Chemical Oceanography
Taught course
2020
Introduction to Oceanography
Taught course
2019
Top/Ocean Biogeochemistry
Taught course
2019
Adv Rsrch Exp/Earth Sciences
Taught course
2018
Aqueous Geochemistry
Taught course
2018
Aqueous Geochemistry
Taught course
2018
Introduction to Oceanography
Taught course
2018
Chemical Oceanography
Taught course
2018
Background
Education And Training
B.S.,
University of Miami
Ph.D.,
University of Miami
Contact
Full Name
Robert
Letscher
Mailing Address
University of New Hampshire
142 Morse Hall
8 College Rd
Durham, NH 03824
USA