GUVI

Global UltraViolet Imager

GUVI Biblio

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Found 6 entries in the Bibliography.

Showing entries from 1 through 6

2021
Neutral Hydrogen in the Terrestrial Thermosphere and Exosphere The exosphere is the interface between the Earth s neutral atmosphere and interplanetary space. Our understanding of this important interface, through observations of its mean state and its response to external forcing, will provide important constraints as we seek to develop a complete picture of our complicated space-atmosphere system. This chapter will highlight the contributions of ground-based geocoronal hydrogen observations to our understanding of this system. Observations are made throughout the night; the base of th ... Mierkiewicz, Edwin; Published by: Published on: YEAR: 2021 DOI: 10.1002/9781119815631.ch8 Fabry-Perot spectrometer; geocoronal Balmer; ground-based geocoronal hydrogen observations; hydrogen density profile; hydrostatic equilibrium; neutral hydrogen; terrestrial exosphere; terrestrial thermosphere
2020
SIHLA, a mission of opportunity to L1 to map H Lyman alpha emissions from the heliopause, the interplanetary medium, the Earth's geocorona and comets Paxton, Larry; Provornikova, Elena; Roelof, Edmond; emerais, Eric; Izmodenov, Vladislav; Katushkina, Olga; Mierkiewicz, Edwin; Baliukin, Igor; Gruntman, Mike; Taguchi, Makoto; , others; Published by: Published on: YEAR: 2020 DOI:
2019
Geocoronal hydrogen emission variation over two solar cycles Ground-based hydrogen Balmer-α observations from Northern midlatitudes span multiple solar cycles, facilitating investigation of decadal scale variations, including natural variability in the hydrogen response to solar geophysical changes. Here we present a reanalysis of ground-based hydrogen emission observations from the early 1990s and their comparison with observations obtained in 2000–2001 in the context of the extended Northern Hemisphere midlatitude geocoronal hydrogen emission data set. Nossal, SM; Mierkiewicz, EJ; Roesler, FL; Woodward, RC; Gardner, DD; Haffner, LM; Published by: Journal of Geophysical Research: Space Physics Published on: YEAR: 2019 DOI: 10.1029/2019JA026903
2017
Constraining Balmer alpha fine structure excitation measured in geocoronal hydrogen observations Further, in the case of the GUVI Lyman α data, even independent satellite parameter specifications were deemed insufficient to adequately forward model the limb scan observations Gardner, DD; Mierkiewicz, EJ; Roesler, FL; Nossal, SM; Haffner, LM; Published by: Journal of Geophysical Research: Space Physics Published on: YEAR: 2017 DOI: 10.1002/2017JA024055
2015
Hydrogen in the Upper Atmosphere II Posters Paxton, Larry; Waldrop, Lara; Mierkiewicz, Edwin; Mlynczak, Martin; Published by: Published on: YEAR: 2015 DOI:
2008
A coordinated multi-line investigation aimed at deriving hydrogen densities in the upper atmosphere Mierkiewicz, Edwin; Roesler, Frederick; Stephan, Andrew; Nossal, Susan; Published by: 37th COSPAR Scientific Assembly Published on: YEAR: 2008 DOI:

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