Document Type

Article

Publication Title

Bulletin of the American Meteorological Society

Rights and Access Note

This Item is protected by copyright and/or related rights. You are free to use this item in any way that is permitted by copyright and related rights legislation that applies to your use. Rights assessment remains the responsibility of the researcher. In addition, no permission is required from the rights-holder(s) for non-commercial uses.

Publication Date

1-1-2019

First Page

1775

Last Page

1794

Issue Number

9

Volume Number

100

Abstract/ Summary

The Plankton, Aerosol, Cloud, Ocean Ecosystem (PACE) mission represents the National Aeronautics and Space Administration's (NASA) next investment in satellite ocean color and the study of Earth's ocean-atmosphere system, enabling new insights into oceanographic and atmospheric responses to Earth's changing climate. PACE objectives include extending systematic cloud, aerosol, and ocean biological and biogeochemical data records, making essential ocean color measurements to further understand marine carbon cycles, food-web processes, and ecosystem responses to a changing climate, and improving knowledge of how aerosols influence ocean ecosystems and, conversely, how ocean ecosystems and photochemical processes affect the atmosphere. PACE objectives also encompass management of fisheries, large freshwater bodies, and air and water quality and reducing uncertainties in climate and radiative forcing models of the Earth system. PACE observations will provide information on radiative properties of land surfaces and characterization of the vegetation and soils that dominate their reflectance. The primary PACE instrument is a spectrometer that spans the ultraviolet to shortwave-infrared wavelengths, with a ground sample distance of 1 km at nadir. This payload is complemented by two multiangle polarimeters with spectral ranges that span the visible to near-infrared region. Scheduled for launch in late 2022 to early 2023, the PACE observatory will enable significant advances in the study of Earth's biogeochemistry, carbon cycle, clouds, hydrosols, and aerosols in the ocean-atmosphere-land system. Here, we present an overview of the PACE mission, including its developmental history, science objectives, instrument payload, observatory characteristics, and data products.

Citation/Publisher Attribution

Werdell, P.J., M.J. Behrenfeld, P.S. Bontempi, E. Boss, B. Cairns, G.T. Davis, B.A. Franz, U.B. Gliese, E.T. Gorman, O. Hasekamp, K.D. Knobelspiesse, A. Mannino, J.V. Martins, C.R. McClain, G. Meister, and L.A. Remer, 2019: The Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission: Status, science, advances. Bull. Amer. Meteor. Soc., 100, no. 9, 1775-1794, doi:10.1175/BAMS-D-18-0056.1

Publisher Statement

©2019 American Meteorological Society

DOI

10.1175/BAMS-D-18-0056.1

Version

publisher's version of the published document

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In Copyright - Educational Use Permitted.