Publications by authors named "G C Johnson"

The global seasonal cycle of energy in Earth's climate system is quantified using observations and reanalyses. After removing long-term trends, net energy entering and exiting the climate system at the top of the atmosphere (TOA) should agree with the sum of energy entering and exiting the ocean, atmosphere, land, and ice over the course of an average year. Achieving such a balanced budget with observations has been challenging.

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Satellite observations from the Clouds and the Earth's Radiant Energy System show that Earth's energy imbalance has doubled from 0.5 ± 0.2 Wm during the first 10 years of this century to 1.

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This study uses an oceanic energy budget to estimate the ocean heat transport convergence in the North Atlantic during 2005-2018. The horizontal convergence of the ocean heat transport is estimated using ocean heat content tendency primarily derived from satellite altimetry combined with space gravimetry. The net surface energy fluxes are inferred from mass-corrected divergence of atmospheric energy transport and tendency of the ECMWF ERA5 reanalysis combined with top-of-the-atmosphere radiative fluxes from the clouds and the Earth's radiant energy system project.

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Leaders undertaking the effort to dismantle structural inqualities at the organizational level often find traditional professional development on diversity, equity, and inclusion to be limited in scope, rarely leading to meaningful organizational change. The Racial Equity, Diversity, and Inclusion (REDI) Movement was developed in 2020 by associates within a Midwest university research center to increase efforts toward the pursuit of a holistic, systems-level approach to equity, social justice, and inclusion. REDI now includes several interventions that prepare associates and their teams to advance racial justice and equity across four levels of the REDI Framework: Intrapersonal, Interpersonal, Institutional, and Societal.

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Despite the significant advances made involving the additive manufacturing (AM) of metals, including those related to both materials and processes, challenges remain in regard to the rapid qualification and insertion of such materials into applications. In general, understanding the process-microstructure-property interrelationships is essential. To successfully understand these interrelationships on a process-by-process basis and exploit such knowledge in practice, leveraging monitoring, modeling, and statistical analysis is necessary.

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