Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Steven P. Chappell"'
Autor:
Jason S. Hagani, John Y. Takekawa, Steven C. Chappell, Richelle L. Tanner, Adrienne R. Ernst, Karin M. Kettenring
Publikováno v:
Frontiers in Ecology and Evolution, Vol 11 (2023)
IntroductionCoastal estuarine wetlands provide important habitats for a variety of endemic flora and fauna but are particularly vulnerable to biological invasions. Regular monitoring of changes in these vulnerable wetlands has become increasingly imp
Externí odkaz:
https://doaj.org/article/19015d44fa194fc5acb3668fd4ef5af4
Autor:
John Y. Takekawa, Jason S. Hagani, Timothy J. Edmunds, Jesirae M. Collins, Steven C. Chappell, William H. Reynolds
Publikováno v:
Remote Sensing, Vol 15, Iss 15, p 3845 (2023)
Controlling non-native plant invasions that reduce the quality of preferred wetland habitats is a challenge for many wetland managers. Herbicides may be used to control invasions, but it may be difficult to find effective application methods dependin
Externí odkaz:
https://doaj.org/article/c0228b8a1900464691e2682cd6fe8373
Autor:
Allyson L. Brady, Scott S. Hughes, Steven P. Chappell, Matthew J. Miller, Adam R. H. Stevens, Kara H. Beaton, Darlene S. S. Lim, Shannon E. Kobs Nawotniak, Samuel J. Payler, Andrew F. J. Abercromby
Publikováno v:
Astrobiology
Biologic Analog Science Associated with Lava Terrains (BASALT) is a science-driven exploration program seeking to determine the best tools, techniques, training requirements, and execution strategies for conducting Mars-relevant field science under s
Autor:
Steven P. Chappell, Samuel J. Payler, Allyson L. Brady, Matthew J. Miller, Kara H. Beaton, Scott S. Hughes, Adam R. H. Stevens, Alexander Sehlke, Jessica J. Marquez, Shannon E. Kobs Nawotniak, Darlene S. S. Lim, Richard C. Elphic, Christopher W. Haberle
Publikováno v:
Astrobiology
Science-driven, human spaceflight missions of the future will rely on regular and interactive communication between Earth- and space-based teams during activity in which astronauts work directly on Mars or other planetary surfaces (extravehicular act
Autor:
Allyson L. Brady, David Lees, Scott S. Hughes, Steven P. Chappell, Richard C. Elphic, Shannon E. Kobs Nawotniak, Christopher W. Haberle, Jennifer L. Heldmann, Michael J. Miller, Adam R. H. Stevens, Charles S. Cockell, Zara Mirmalek, M. Downs, Darlene S. S. Lim, Matthew J. Miller, Andrew F. J. Abercromby, Kara H. Beaton, Alexander Sehlke, Samuel J. Payler
Publikováno v:
Astrobiology
The articles associated with this Special Collection focus on the NASA BASALT (Biologic Analog Science Associated with Lava Terrains) Research Program, which aims at answering the question, “How do we support and enable scientific exploration durin
Autor:
Samuel J. Payler, Adam R. H. Stevens, Kara H. Beaton, Allyson L. Brady, Scott S. Hughes, Andrew F. J. Abercromby, S. E. Kobs Nawotniak, Matthew J. Miller, Steven P. Chappell, Darlene S. S. Lim
Publikováno v:
Astrobiology
The Biologic Analog Science Associated with Lava Terrains (BASALT) research project is investigating tools, techniques, and strategies for conducting Mars scientific exploration extravehicular activity (EVA). This has been accomplished through three
Autor:
Jeffrey A. Hoffman, Eswar Anandapadmanaban, Kara H. Beaton, Steven P. Chappell, Alex Menzies, Johannes Norheim, Andrew F. J. Abercromby, Victor Luo, Darlene S. S. Lim, Stewart P. Abercrombie, So Young Kim-Castet, Shannon E. Kobs Nawotniak, Dava J. Newman
Publikováno v:
Planetary and Space Science. 193:105003
The NASA-funded Biologic Analog Science Associated with Lava Terrains (BASALT) program is investigating candidate Mars extravehicular activity (EVA) concepts of operations and capabilities through science-driven terrestrial fieldwork under Mars-missi
Autor:
Michael L. Gernhardt, Steven P. Chappell, Omar S. Bekdash, Andrew F. J. Abercromby, Kara H. Beaton
Publikováno v:
2018 IEEE Aerospace Conference.
The NASA Next Space Technologies for Exploration Partnerships (NextSTEP) program is a public-private partnership model that seeks commercial development of deep space exploration capabilities to support human spaceflight missions around and beyond ci
Autor:
Steven P. Chappell, Allyson L. Brady, Scott S. Hughes, Kara H. Beaton, Shannon E. Kobs Nawotniak, Matthew J. Miller, Andrew F. J. Abercromby, Darlene S. S. Lim
Publikováno v:
2017 IEEE Aerospace Conference.
The Biologic Analog Science Associated with Lava Terrains (BASALT) project is a multi-year program dedicated to iteratively develop, implement, and evaluate concepts of operations (ConOps) and supporting capabilities intended to enable and enhance hu
Autor:
Edwin Z. Crues, Harry L. Litaker, Kara H. Beaton, Steven P. Chappell, Andrew F. J. Abercromby, Carolyn Newton, Michael L. Gernhardt, Omar S. Bekdash
Publikováno v:
2017 IEEE Aerospace Conference.
The Mars Ascent Vehicle (MAV) is the largest indivisible payload and has the largest “gear ratio” in NASA's Evolvable Mars Campaign (EMC) architecture. For this reason, the mass and related volume of the MAV cabin drives requirements for Mars Sur