23.09.2020

# New Publications

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Watson, Andrew J.; et al. (2020): Revised estimates of ocean-atmosphere CO2 flux are consistent with ocean carbon inventory

Watson, Andrew J.; Schuster, Ute; Shutler, Jamie D.; Holding, Thomas; Ashton, Ian G. C.; Landschützer, Peter et al. (2020): Revised estimates of ocean-atmosphere CO2 flux are consistent with ocean carbon inventory. In Nat Comms 11 (1), p. 4422. DOI: 10.1038/s41467-020-18203-3.

"We estimate uncertainties using multiple interpolation methods, finding convergent results for fluxes globally after 2000, or over the Northern Hemisphere throughout the period. Our corrections reconcile surface uptake with independent estimates of the increase in ocean CO2 inventory, and suggest most ocean models underestimate uptake."

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23.09.2020

# New Publications

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Sawall, Yvonne; et al. (2020): Discrete Pulses of Cooler Deep Water Can Decelerate Coral Bleaching During Thermal Stress: Implications for Artificial Upwelling During Heat Stress Events

Sawall, Yvonne; Harris, Moronke; Lebrato, Mario; Wall, Marlene; Feng, Ellias Yuming (2020): Discrete Pulses of Cooler Deep Water Can Decelerate Coral Bleaching During Thermal Stress: Implications for Artificial Upwelling During Heat Stress Events. In Front. Mar. Sci. 7, p. 720. DOI: 10.3389/fmars.2020.00720.

"Artificial upwelling of cooler deep water to the surface layer may be a possible mitigation/management tool. In this study, we investigated the effect of simulated artificial upwelling with deep water off Bermuda collected at 50 m (24°C) and 100 m (20°C) on coral symbiont biology of 3 coral species (Montastrea cavernosaPorites astreoides, and Pseudodiploria strigosa) in a temperature stress experiment."

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22.09.2020

# New Publications

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Corbett, Charles R. (2020): "Extraordinary" and "Highly Controversial": Federal Research of Solar Geoengineering Under NEPA

Corbett, Charles R. (2020): "Extraordinary" and "Highly Controversial": Federal Research of Solar Geoengineering Under NEPA. (September 21, 2020). Northwestern University Law Review Online (forthcoming), Available at SSRN: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3696942.

"This Essay argues that NOAA should use its discretion to conduct a programmatic environmental assessment under the National Environmental Policy Act (“NEPA”) as an initial step in complying with Congress’s mandate. Federal research into solar geoengineering is an extraordinary and highly controversial policy. The agency should carefully consider the environmental, social, and political impacts that may come with this undertaking. Further, the public deserves an opportunity to weigh in on the matter and to be appraised of its risks."

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22.09.2020

# New Publications

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Domke, Grant M.; et al. (2020): Tree planting has the potential to increase carbon sequestration capacity of forests in the United States.

Domke, Grant M.; Oswalt, Sonja N.; Walters, Brian F.; Morin, Randall S. (2020): Tree planting has the potential to increase carbon sequestration capacity of forests in the United States. In PNAS, p. 202010840. DOI: 10.1073/pnas.2010840117.

"Here we use data from more than 130,000 national forest inventory plots to describe the contribution of nearly 1.4 trillion trees on forestland in the conterminous United States to mitigate CO2 emissions and the potential to enhance carbon sequestration capacity on productive forestland."

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21.09.2020

# New Publications

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Singh, M.; et al. (2020): Fingerprint of volcanic forcing on the ENSO-Indian monsoon coupling

Singh, M.; Krishnan, R.; Goswami, B.; Choudhury, A. D.; Swapna, P.; Vellore, R. et al. (2020): Fingerprint of volcanic forcing on the ENSO-Indian monsoon coupling. In Science Advances 6 (38). DOI: 10.1126/sciadv.aba8164.

"Here, we investigate how LVEs influence the nonlinear behavior of the ENSO and IM dynamical systems using historical data, 25 paleoclimate reconstructions, last-millennium climate simulations, large-ensemble targeted climate sensitivity experiments, and advanced analysis techniques."

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18.09.2020

# New Publications

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Aksamit, Nikolas O.; et al. (2020): Harnessing Stratospheric Diffusion Barriers for Enhanced Climate Geoengineering

Aksamit, Nikolas O.; Kravitz, Ben; MacMartin, Douglas G.; Haller, George (2020): Harnessing Stratospheric Diffusion Barriers for Enhanced Climate Geoengineering. In Atmospheric Chemistry and Physics Discussions, pp. 1–19. DOI: 10.5194/acp-2020-696.

"Here we conduct the first analysis of sulfate aerosol dispersion in the stratosphere comparing a now-standard fixed-injection scheme with time-varying injection locations that harness short-term stratospheric diffusion barriers."

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18.09.2020

# New Publications

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Longman, Jack; et al. (2020): Viability of greenhouse gas removal via the artificial addition of volcanic ash to the ocean

Longman, Jack; Palmer, Martin R.; Gernon, Thomas M. (2020): Viability of greenhouse gas removal via the artificial addition of volcanic ash to the ocean. In Anthropocene, p. 100264. DOI: 10.1016/j.ancene.2020.100264.

"This article discusses advantages of an approach based on enhanced input of tephra to the ocean, to increase the drawdown of atmospheric CO2."

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18.09.2020

# New Publications

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Frischmann, Chad Jonathan; et al. (2020): Drawdown’s “System of Solutions” Helps to Achieve the SDGs

Chad Jonathan Frischmann; Mamta Mehra; Ryan Allard; Kevin Bayuk; João Pedro Gouveia; Miranda R. Gorman (2020): Drawdown’s “System of Solutions” Helps to Achieve the SDGs. In : Partnerships for the Goals: Springer, Cham, pp. 1–25. Available online at https://link.springer.com/referenceworkentry/10.1007/978-3-319-71067-9_100-1.

"This entry describes the linkages between “Drawdown solutions” and the targets and goals set out by the United Nations Sustainable Development Goals (SDGs)."

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14.09.2020

# New Publications

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Brienen, R. J. W.; et al. (2020): Forest carbon sink neutralized by pervasive growth-lifespan trade-offs

Brienen, R. J. W.; Caldwell, L.; Duchesne, L.; Voelker, S.; Barichivich, J.; Baliva, M. et al. (2020): Forest carbon sink neutralized by pervasive growth-lifespan trade-offs. In Nat Comms 11 (1), p. 4241. DOI: 10.1038/s41467-020-17966-z.

"Here we show that growth-lifespan trade-offs are indeed near universal, occurring across almost all species and climates. This trade-off is directly linked to faster growth reducing tree lifespan, and not due to covariance with climate or environment. Thus, current tree growth stimulation will, inevitably, result in a lagged increase in canopy tree mortality, as is indeed widely observed, and eventually neutralise carbon gains due to growth stimulation."

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14.09.2020

# New Publications

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Buck, Holly; et al. (2020): Pandemic politics—lessons for solar geoengineering

Buck, Holly; Geden, Oliver; Sugiyama, Masahiro; Corry, Olaf (2020): Pandemic politics—lessons for solar geoengineering. In Commun Earth Environ 1 (1), pp. 1–4. DOI: 10.1038/s43247-020-00018-1.

"Responses to the COVID-19 emergency have exposed break-points at the interface of science, media, and policy. We summarize five lessons that should be heeded if climate change ever enters a state of emergency perceived to warrant stratospheric aerosol injection."

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