Contributions
Please let me know if you have trouble accessing any of the materials below. I am happy to share electronic copies.
Publications:
Published:
10. Izett, R. W., Chanona, M., Myers, P. G., Castro de la Guardia, L., Waterman, S, and Tortell, P. D. 2022. Impact of vertical mixing on summertime net
community production in Canadian Arctic and Subarctic waters: Insights from in situ measurements and numerical simulations. Journal of Geophysical
Research: Oceans. https://doi.org/10.1029/2021JC018215.
9. Manning, C. C., Zheng, Z., Fenwick, L., McCulloch, R., Damm, E., Izett, R. W., Williams, W., Zimmerman, S., Vagle, S., and Tortell, P. D. 2022. Interannual
variability in methane and nitrous oxide concentrations and sea-air fluxes across the North American Arctic Ocean (2015-2019). Global
Biogeochemical Cycles. https://doi.org/10.1029/2021GB007185.
8. Sezginer, Y., Suggett, D. J., Izett, R. W., and Tortell, P. D. Accepted. Irradiance and nutrient-dependent effects on photosynthetic electron transport in
Arctic phytoplankton: a comparison of two Chlorophyll fluorescence-based approaches to derive primary photochemistry. PLOS ONE.
7. Izett, R. W., Hamme, R. C., McNeil, C., Manning, C. C., Bourbonnais, A. and Tortell, P. D. 2021. ΔO2/N2' as a new tracer of marine net
community production: Application and evaluation in the Subarctic Northeast Pacific and Canadian Arctic Ocean. Frontiers in Marine Science.
https://doi.org/10.3389/fmars.2021.718625.
6. Izett, R. W. and Tortell, P. D. 2021. ΔO2/N2' as a Tracer of Mixed Layer Net Community Production: Theoretical Considerations and Proof-of-Concept.
Limnology & Oceanography: Methods. https://doi.org/10.1002/lom3.10440.
5. Izett, R. W. and Tortell, P. D. 2020. The Pressure of In-situ Gases Instrument (PIGI) for Autonomous Shipboard Measurement of Dissolved O2 and N2 in
Surface Ocean Waters. Oceanography. 33(2): https://doi.org/10.5670/oceanog.2020.214.
4. Rosengard, S. Z., Izett, R. W., Burt, W. J., Schuback, N., and Tortell, P. D. Accepted May 2020. Decoupling of net community production and particulate
organic carbon dynamics in near shore surface ocean waters. Biogeosciences. https://doi.org/10.5194/bg-17-3277-2020.
3. Izett, R. W., Manning, C. C., Hamme, R. C., and Tortell, P. D. 2018. Refined Estimates of Net Community Production in the Subarctic Northeast Pacific
Derived From ΔO2/Ar Measurements With N2O Based Corrections for Vertical Mixing. Global Biogeochemical Cycles. 32, 326–350.
https://doi.org/10.1002/2017GB005792.
2. Burt, W. J., Westberry, T. K., Behrenfeld, M. J., Zeng, C., Izett, R. W., and Tortell, P. D. 2018. Carbon: Chlorophyll Ratios and Net Primary Productivity of
Subarctic Pacific Surface Waters Derived From Autonomous Shipboard Sensors. Global Biogeochemical Cycles. 32.
https://doi.org/10.1002/2017GB005783.
1. Bosma, J., and Izett, R. 2016. Challenges with collecting data for measured pH and dissolved inorganic carbon (DIC) in coastal waters. Oceans 2016
MTS/IEEE International Conference Proceedings. doi.org/10.1109/OCEANS.2016.7761421.
10. Izett, R. W., Chanona, M., Myers, P. G., Castro de la Guardia, L., Waterman, S, and Tortell, P. D. 2022. Impact of vertical mixing on summertime net
community production in Canadian Arctic and Subarctic waters: Insights from in situ measurements and numerical simulations. Journal of Geophysical
Research: Oceans. https://doi.org/10.1029/2021JC018215.
9. Manning, C. C., Zheng, Z., Fenwick, L., McCulloch, R., Damm, E., Izett, R. W., Williams, W., Zimmerman, S., Vagle, S., and Tortell, P. D. 2022. Interannual
variability in methane and nitrous oxide concentrations and sea-air fluxes across the North American Arctic Ocean (2015-2019). Global
Biogeochemical Cycles. https://doi.org/10.1029/2021GB007185.
8. Sezginer, Y., Suggett, D. J., Izett, R. W., and Tortell, P. D. Accepted. Irradiance and nutrient-dependent effects on photosynthetic electron transport in
Arctic phytoplankton: a comparison of two Chlorophyll fluorescence-based approaches to derive primary photochemistry. PLOS ONE.
7. Izett, R. W., Hamme, R. C., McNeil, C., Manning, C. C., Bourbonnais, A. and Tortell, P. D. 2021. ΔO2/N2' as a new tracer of marine net
community production: Application and evaluation in the Subarctic Northeast Pacific and Canadian Arctic Ocean. Frontiers in Marine Science.
https://doi.org/10.3389/fmars.2021.718625.
6. Izett, R. W. and Tortell, P. D. 2021. ΔO2/N2' as a Tracer of Mixed Layer Net Community Production: Theoretical Considerations and Proof-of-Concept.
Limnology & Oceanography: Methods. https://doi.org/10.1002/lom3.10440.
5. Izett, R. W. and Tortell, P. D. 2020. The Pressure of In-situ Gases Instrument (PIGI) for Autonomous Shipboard Measurement of Dissolved O2 and N2 in
Surface Ocean Waters. Oceanography. 33(2): https://doi.org/10.5670/oceanog.2020.214.
4. Rosengard, S. Z., Izett, R. W., Burt, W. J., Schuback, N., and Tortell, P. D. Accepted May 2020. Decoupling of net community production and particulate
organic carbon dynamics in near shore surface ocean waters. Biogeosciences. https://doi.org/10.5194/bg-17-3277-2020.
3. Izett, R. W., Manning, C. C., Hamme, R. C., and Tortell, P. D. 2018. Refined Estimates of Net Community Production in the Subarctic Northeast Pacific
Derived From ΔO2/Ar Measurements With N2O Based Corrections for Vertical Mixing. Global Biogeochemical Cycles. 32, 326–350.
https://doi.org/10.1002/2017GB005792.
2. Burt, W. J., Westberry, T. K., Behrenfeld, M. J., Zeng, C., Izett, R. W., and Tortell, P. D. 2018. Carbon: Chlorophyll Ratios and Net Primary Productivity of
Subarctic Pacific Surface Waters Derived From Autonomous Shipboard Sensors. Global Biogeochemical Cycles. 32.
https://doi.org/10.1002/2017GB005783.
1. Bosma, J., and Izett, R. 2016. Challenges with collecting data for measured pH and dissolved inorganic carbon (DIC) in coastal waters. Oceans 2016
MTS/IEEE International Conference Proceedings. doi.org/10.1109/OCEANS.2016.7761421.
Presented Posters and Slides & Conference Abstracts:
Ocean Science Meeting 2022 (virtual). Izett, R. W., Hamme, R. C., McNeil, C., Bourbonnais, A., Manning, C. C., and Tortell, P. D. A new approach to estimate
mixed layer net community production from autonomous O2 and N2 observations and simple numerical computations.
MEOPAR ASM 2022 (virtual). Izett, R. W., Hamme, R. C., McNeil, C., Bourbonnais, A., Manning, C. C., and Tortell, P. D. A new approach to estimate
mixed layer net community production from autonomous O2 and N2 observations and simple numerical computations. (poster)
CMOS Congress 2021 (virtual). Izett, R. W., Chanona, M., Myers, P. G., Castro de la Guardia, L., Waterman, S, and Tortell, P. D. Impact of vertical mixing and
freshwater input on summertime net community production in Canadian Arctic and Subarctic waters: Insights from in situ measurements and
numerical simulations.
Arctic Change 2020 (virtual). Izett, R. W., Chanona, M., Myers, P. G., Castro de la Guardia, L., Waterman, S, and Tortell, P. D. Mixing dynamics and net
community production in Canadian Arctic and Subarctic waters: Insights derived from in situ measurements and numerical simulations.
OceanObs’19. Honolulu, HI. 2019. Izett, R. W., and Tortell, P. D. An autonomous, ship-based system for high-resolution net community production
estimates derived from O2 and N2 measurements. (poster & abstract)
Line P Annual Symposium. Sidney, BC. 2019. Izett, R., and Tortell, P. Net community production: Results from 2018 and an empirical algorithm for
estimating it from Line P data. (abstract)
State of the Pacific Ocean Meeting. Sidney, BC. 2019. Izett, R., and Tortell, P. A regionally-defined empirical algorithm for estimating net community
production (NCP) in the Subarctic NE Pacific. (poster & abstract)
Line P Annual Symposium. Sidney, BC. 2018. Izett, R., Tortell, P. Net Community Production: Instrument development and results from 2016-2017.
(abstract)
State of the Pacific Ocean Meeting. Nanaimo, BC. 2018. Izett, R., Burt, W., Rosengard, S., Zeng, C. and Tortell, P. NSERC Strategic SPEAR Project: Net
Primary Production, Net Community Production, and Phytoplankton Community Composition in the NE Pacific. (abstract)
Ocean Sciences Meeting. Portland, OR. 2018. Izett, R., Manning, C. C., Hamme, R. C., and Tortell, P. D. Refined Estimates of Net Community
Production in the Subarctic Northeast Pacific Derived from ΔO2/Ar Measurements with N2O Based Corrections for Vertical Mixing. (abstract)
Line P Annual Symposium. Sidney, BC. 2017. Izett, R., and Tortell, P. Underway estimates of net community production using new autonomous sensors and
discrete gas observations. (abstract)
Line P 60th Anniversary Meeting. Sidney, BC. 2016. Izett, R., and Tortell, P. Refined estimates of net community production along Line P and La Perouse
derived from O2/Ar measurements and N2O-based corrections for vertical mixing. (abstract) (poster)
State of the Pacific Ocean Meeting. Nanaimo, BC. 2016. Izett, R., Tortell, P., Francois, R., Pakhomov, E., Dower, J., Dowd, M., and Cheung, W. Quantifying
climate-dependent and anthropogenic impacts on ecosystem services in the Subarctic Pacific Ocean. (abstract)
Line P Annual Symposium. Sidney, BC. 2016. Izett, R., and Tortell, P. Autonomous high-resolution measurement of primary productivity during the Line P
and La Perouse survey cruises. (abstract)
mixed layer net community production from autonomous O2 and N2 observations and simple numerical computations.
MEOPAR ASM 2022 (virtual). Izett, R. W., Hamme, R. C., McNeil, C., Bourbonnais, A., Manning, C. C., and Tortell, P. D. A new approach to estimate
mixed layer net community production from autonomous O2 and N2 observations and simple numerical computations. (poster)
CMOS Congress 2021 (virtual). Izett, R. W., Chanona, M., Myers, P. G., Castro de la Guardia, L., Waterman, S, and Tortell, P. D. Impact of vertical mixing and
freshwater input on summertime net community production in Canadian Arctic and Subarctic waters: Insights from in situ measurements and
numerical simulations.
Arctic Change 2020 (virtual). Izett, R. W., Chanona, M., Myers, P. G., Castro de la Guardia, L., Waterman, S, and Tortell, P. D. Mixing dynamics and net
community production in Canadian Arctic and Subarctic waters: Insights derived from in situ measurements and numerical simulations.
OceanObs’19. Honolulu, HI. 2019. Izett, R. W., and Tortell, P. D. An autonomous, ship-based system for high-resolution net community production
estimates derived from O2 and N2 measurements. (poster & abstract)
Line P Annual Symposium. Sidney, BC. 2019. Izett, R., and Tortell, P. Net community production: Results from 2018 and an empirical algorithm for
estimating it from Line P data. (abstract)
State of the Pacific Ocean Meeting. Sidney, BC. 2019. Izett, R., and Tortell, P. A regionally-defined empirical algorithm for estimating net community
production (NCP) in the Subarctic NE Pacific. (poster & abstract)
Line P Annual Symposium. Sidney, BC. 2018. Izett, R., Tortell, P. Net Community Production: Instrument development and results from 2016-2017.
(abstract)
State of the Pacific Ocean Meeting. Nanaimo, BC. 2018. Izett, R., Burt, W., Rosengard, S., Zeng, C. and Tortell, P. NSERC Strategic SPEAR Project: Net
Primary Production, Net Community Production, and Phytoplankton Community Composition in the NE Pacific. (abstract)
Ocean Sciences Meeting. Portland, OR. 2018. Izett, R., Manning, C. C., Hamme, R. C., and Tortell, P. D. Refined Estimates of Net Community
Production in the Subarctic Northeast Pacific Derived from ΔO2/Ar Measurements with N2O Based Corrections for Vertical Mixing. (abstract)
Line P Annual Symposium. Sidney, BC. 2017. Izett, R., and Tortell, P. Underway estimates of net community production using new autonomous sensors and
discrete gas observations. (abstract)
Line P 60th Anniversary Meeting. Sidney, BC. 2016. Izett, R., and Tortell, P. Refined estimates of net community production along Line P and La Perouse
derived from O2/Ar measurements and N2O-based corrections for vertical mixing. (abstract) (poster)
State of the Pacific Ocean Meeting. Nanaimo, BC. 2016. Izett, R., Tortell, P., Francois, R., Pakhomov, E., Dower, J., Dowd, M., and Cheung, W. Quantifying
climate-dependent and anthropogenic impacts on ecosystem services in the Subarctic Pacific Ocean. (abstract)
Line P Annual Symposium. Sidney, BC. 2016. Izett, R., and Tortell, P. Autonomous high-resolution measurement of primary productivity during the Line P
and La Perouse survey cruises. (abstract)
Open-Access Data and Software
Izett, R., and Tortell, P. 2021. High-resolution, mixed layer NCP estimates and ancillary data from the Central and Eastern North American Arctic: 2015,
2018, 2019. Zenodo. doi.org/10.5281/zenodo.5593381.
Izett, R., Schuler, K., and Tortell, P. 2021. CCGS Amundsen Underway Dissolved Gas Measurements: O2/Ar, O2, N2 and Total Dissolved Gas Pressure.
Polar Data Catalogue. doi.org/10.5884/13242.
Izett, R., Schuler, K., and Tortell, P. 2021. Underway surface O2/Ar, O2 and N2 observations from the Subarctic Northeast Pacific.
PANGAEA. doi.org/10.1594/PANGAEA.933345.
Izett, R. 2021. O2N2 NCP Toolbox - Matlab software and data. Zenodo. doi.org/10.5281/zenodo.4024925.
Izett, R., 2020. The Pressure of In-situ Gases Instrument (PIGI) – Software, Manuals and Hardware designs for an autonomous O2/N2 measurement
system. Zenodo. doi.org/10.5281/zenodo.4024951.
Izett, R. 2021. RI_download_functions: Repository for Matlab codes to automatically download gridded observatory data. Github.
github.com/rizett/RI_download_functions.
2018, 2019. Zenodo. doi.org/10.5281/zenodo.5593381.
Izett, R., Schuler, K., and Tortell, P. 2021. CCGS Amundsen Underway Dissolved Gas Measurements: O2/Ar, O2, N2 and Total Dissolved Gas Pressure.
Polar Data Catalogue. doi.org/10.5884/13242.
Izett, R., Schuler, K., and Tortell, P. 2021. Underway surface O2/Ar, O2 and N2 observations from the Subarctic Northeast Pacific.
PANGAEA. doi.org/10.1594/PANGAEA.933345.
Izett, R. 2021. O2N2 NCP Toolbox - Matlab software and data. Zenodo. doi.org/10.5281/zenodo.4024925.
Izett, R., 2020. The Pressure of In-situ Gases Instrument (PIGI) – Software, Manuals and Hardware designs for an autonomous O2/N2 measurement
system. Zenodo. doi.org/10.5281/zenodo.4024951.
Izett, R. 2021. RI_download_functions: Repository for Matlab codes to automatically download gridded observatory data. Github.
github.com/rizett/RI_download_functions.
Other
2021 Cover images for Canadian Science Publishing:
Environmental Reviews (journal link) (image link)
Anthropocene Coasts (journal link) (image link)
Environmental Reviews (journal link) (image link)
Anthropocene Coasts (journal link) (image link)