James C. G. Walker

发表

Oxygen and hydrogen in the primitive atmosphere

JAMES C. G. Walker, James C. G. Walker, 1978 .

Biogeochemical Cycles. (Book Reviews: Biogeochemistry. An Analysis of Global Change.)

James C. G. Walker, 1991 .

Numerical adventures with geochemical cycles

James C. G. Walker, 1990 .

The upper atmosphere

James C. G. Walker, 1996 .

Evolution of the Atmosphere of Venus

James C. G. Walker, 1975 .

Biogeochemical Cycles of Carbon on a Hierarchy of Time Scales

JAMES C. G. Walker, James C. G. Walker, 1993 .

Stratospheric Ozone: The Possible Effects of Tropospheric-Stratospheric Feedback

William L. Chameides, James C. G. Walker, 1975, Science.

A negative feedback mechanism for the long‐term stabilization of Earth's surface temperature

Paul B. Hays, James F. Kasting, J. Kasting, 1981 .

Vibrationally excited nitrogen in stable auroral red arcs and its effect on ionospheric recombination

P. Meijer, James C. G. Walker, G. Newton, 1974 .

CHAPTER 3 – The upper atmosphere of the earth

James C. G. Walker, 1976 .

Effects of atomic nitrogen on the nocturnal ionosphere

J. Hoffman, P. Hays, W. B. Hanson, 1975 .

An auroral F-region study using in situ measurements by the Atmosphere Explorer-C satellite

R. Hoffman, J. Hoffman, W.K. (Bill) Peterson, 1975 .

The O II (7319-7330 ) Dayglow

P. Hays, D. Rusch, JAMES C. G. Walker, 1977 .

Analytic Representation of Upper Atmosphere Densities Based on Jacchia's Static Diffusion Models

JAMES C. G. Walker, James C. G. Walker, 1965 .

Determination of the rate coefficient for the N2/+/ + O reaction in the ionosphere

J. Hoffman, W. B. Hanson, M. Torr, 1977 .

Kinematic properties of the F region ion velocity field inferred from incoherent scatter radar measurements at Arecibo

James C. G. Walker, M. Sulzer, R. Burnside, 1987 .

Plasma dynamics in the night-time F-region at Arecibo

C. Tepley, James C. G. Walker, R. Behnke, 1985 .

The O + ( P ) Emission at 7320 in Twilight

A. Nier, J. Meriwether, JAMES C. G. Walker, 1978 .

The O I (6300 Å) airglow

P. Hays, R. Roble, D. Rusch, 1978 .

Auroral excitation of the forbidden lines of atomic oxygen

A. Dalgarno, JAMES C. G. Walker, M. Rees, 1967 .

Meridional neutral winds in the thermosphere at Arecibo: Simultaneous incoherent scatter and airglow observations

James C. G. Walker, R. Behnke, R. Burnside, 1983 .

Field-aligned and field-perpendicular velocities in the ionospheric F2-layer

H. Rishbeth, JAMES C. G. Walker, James C. G. Walker, 1978 .

The penetration of soft electrons into the ionosphere

G. P. Mantas, James C. G. Walker, 1976 .

Atomic nitrogen densities in the thermosphere

A. Hedin, P. Hays, N. Spencer, 1976 .

Electron and nitrogen vibrational temperature in the E-region of the ionosphere

James C. G. Walker, 1968 .

The evolution of solar ultraviolet luminosity

K. Zahnle, JAMES C. G. Walker, James C. G. Walker, 1982 .

Intercalibration of airglow observatories with the atmosphere explorer satellite

P. Hays, JAMES C. G. Walker, M. Torr, 1977 .

The visible‐airglow experiment on Atmosphere Explorer

G. Shepherd, P. Hays, G. Carignan, 1973 .

Diffusion in the lower ionosphere at night

M. McElroy, JAMES C. G. Walker, James C. G. Walker, 1966 .

Observations of neutral iron emission in twilight spectra

J. Meriwether, C. Tepley, J. Mathews, 1981 .

Observations of the Ca/+/ twilight airglow from intermediate layers of ionization

J. Meriwether, C. Tepley, J. Mathews, 1981 .

Seasonal dependence of the distribution of large-scale plasma depletions in the low-latitude F region

JAMES C. G. Walker, James C. G. Walker, T. Dachev, 1982 .

Determination of thermospheric temperatures and neutral densities at Arecibo from the ion energy balance

James C. G. Walker, M. Sulzer, R. Burnside, 1988 .

The effect of oxygen cooling on ionospheric electron temperatures

M. McElroy, A. Dalgarno, JAMES C. G. Walker, 1968 .

Photochemistry of Methane in the Earth's Early Atmosphere

J. Kasting, K. Zahnle, James C. G. Walker, 1983 .

The green line of atomic oxygen in the day airglow.

James C. G. Walker, 1964 .

Langmuir Probe evidence for a nocturnal ionization source at Fort Churchill

L. H. Brace, M. Rees, James C. G. Walker, 1968 .

Thermal diffusion in the topside ionosphere.

James C. G. Walker, 1967 .

Electric field excitation of O2(1Δg) in auroras

JAMES C. G. Walker, James C. G. Walker, 1970 .

The dynamics of a rapidly escaping atmosphere: Applications to the evolution of Earth and Venus

A. Watson, JAMES C. G. Walker, T. Donahue, 1981 .

The density of O2+ ions in the topside ionosphere

James C. G. Walker, 1970 .

The dynamic F2-layer over Arecibo

H. Rishbeth, James C. G. Walker, S. Ganguly, 1980 .

Discussion of paper by L. P. Block and C.‐G. Fälthammar, ‘Effects of field‐aligned currents on the structure of the ionosphere’

R. Schunk, James C. G. Walker, 1969 .

Correlation of wind and electric field in the nocturnal F‐region*

James C. G. Walker, 1980 .

Polarization electric fields in the nighttime F layer at Arecibo

James C. G. Walker, C. Gonzales, R. Behnke, 1983 .

Optical observations of thermospheric dynamics at Arecibo

J. Meriwether, James C. G. Walker, F. Herrero, 1981 .

Comparison of electrical conductivities in the E-AND F-regions of the nocturnal ionosphere

James C. G. Walker, R. Harper, 1977 .

The mid-latitude thermosphere☆

James C. G. Walker, 1988 .

First negative band system of nitrogen in the night sky over Arecibo during geomagnetic storms

J. Meriwether, JAMES C. G. Walker, James C. G. Walker, 1980 .

Carbon dioxide on the early earth

JAMES C. G. Walker, James C. G. Walker, 2005, Origins of life and evolution of the biosphere.

ORIGIN OF THE ATMOSPHERE: HISTORY OF THE RELEASE OF VOLATILES FROM THE SOLID EARTH

James C. G. Walker, 1977 .

7 – ATMOSPHERIC EVOLUTION ON THE INNER PLANETS

James C. G. Walker, 1978 .

The Oxygen Cycle

JAMES C. G. Walker, James C. G. Walker, 1980 .

Environmental Evolution of the Archean-early Proterozoic Earth

M. Schidlowski, J. Schopf, M. Walter, 1983 .

A photochemical theory of tropospheric ozone

W. Chameides, James C. G. Walker, 1973 .

A time‐dependent photochemical model for ozone near the ground

W. Chameides, James C. G. Walker, 1976 .

Active experimentation with the ionospheric plasma

JAMES C. G. Walker, James C. G. Walker, 1979 .

Some Perspectives of the Major Biogeochemical Cycles

JAMES C. G. Walker, James C. G. Walker, 1982 .

Mass fractionation in hydrodynamic escape

D. Hunten, R. Pepin, James C. G. Walker, 1987 .

Impact Erosion of Planetary Atmospheres

JAMES C. G. Walker, James C. G. Walker, 1986 .

Phanerozoic cycling of sedimentary carbonate

B. Wilkinson, JAMES C. G. Walker, James C. G. Walker, 1989 .

THE EARLIEST ATMOSPHERE OF THE EARTH

JAMES C. G. Walker, James C. G. Walker, 1982 .

Atmospheric constraints on the evolution of metabolism

JAMES C. G. Walker, James C. G. Walker, 1980, Origins of life.

Precambrian evolution of the climate system

JAMES C. G. Walker, James C. G. Walker, 1990 .

Possible limits on the composition of the Archaean ocean

JAMES C. G. Walker, James C. G. Walker, 1983, Nature.

The early history of oxygen and ozone in the atmosphere

James C. G. Walker, 1978 .

The History of Global Weathering and the Chemical Evolution of the Ocean‐Atmosphere System

L. François, JAMES C. G. Walker, B. Opdyke, 2013 .

Limits on oxygen concentration in the prebiological atmosphere and the rate of abiotic fixation of nitrogen

J. Kasting, JAMES C. G. Walker, James C. G. Walker, 1981 .

Biogeochemical Cycles: Blogeochemistry . An Analysis of Global Change. William H. Schlesinger. Academic Press, San Diego, CA, 1991. xii, 443 pp., illus. Paper, $39.95.

James C. G. Walker, 1991, Science.

Earth system science and the western worldview

James C. G. Walker, 1999 .

Younger Dryas Interval and outflow from the Laurentide Ice Sheet

D. Rea, T. C. Moore, Alison J. Smith, 2000 .

The evolution and variability of atmospheric ozone over geological time

J. Levine, P. Hays, James C. G. Walker, 1979 .

Atmospheric Ozone and the History of Life.

JAMES C. G. Walker, James C. G. Walker, M. Ratner, 1972 .

Suboxic diagenesis in banded iron formations

JAMES C. G. Walker, James C. G. Walker, 1984, Nature.

Lunar nodal tide and distance to the Moon during the Precambrian

K. Zahnle, JAMES C. G. Walker, James C. G. Walker, 1986, Nature.

A comparison between thomson scatter and meteor radar wind measurements in the 65–105 km altitude region at Arecibo

C. Tepley, R. Bernard, J. Mathews, 1981 .

ESCAPE OF ATMOSPHERES AND LOSS OF WATER

D. Hunten, J. Kasting, JAMES C. G. Walker, 1989, Origin and Evolution of Planetary and Satellite Atmospheres.

Was the Archaean biosphere upside down?

JAMES C. G. Walker, James C. G. Walker, 1987, Nature.

Evolution of the atmosphere

M. Mendillo, JAMES C. G. Walker, James C. G. Walker, 1977 .

Directional currents in nocturnal E-region layers

H. Rishbeth, James C. G. Walker, 1982 .

Reply [to “Comment on ‘Airglow observations of the OI 7774‐Å multiplet at Arecibo during a magnetic storm’ by Roger G. Burnside, John W. Meriwether, and James C. G. Walker”]

J. Meriwether, James C. G. Walker, R. Burnside, 1981 .

Airglow observations of the OI 7774 Å multiplet at Arecibo during a magnetic storm

J. Meriwether, JAMES C. G. Walker, James C. G. Walker, 1980 .

The vibrational temperature of molecular nitrogen in the thermosphere

R. Stolarski, A. Nagy, James C. G. Walker, 1969 .

Models of the upper atmosphere for a wide range of boundary conditions.

Jay A. Stein, James C. G. Walker, 1965 .

The δ18O record of phanerozoic abiotic marine calcite cements

JAMES C. G. Walker, K. C. Lohmann, James C. G. Walker, 1989 .

Possible methane-induced polar warming in the early Eocene

L. Sloan, J. Zachos, D. Rea, 1992, Nature.

Intensity of the first negative band system of nitrogen in the night sky over Arecibo

J. Meriwether, James C. G. Walker, 1977 .

How life affects the geochemical cycle of carbon

JAMES C. G. Walker, James C. G. Walker, 1992 .

DEPARTMENT OFsPACE SCIENcEATMOSPHERIC' OCEANIC, AND _ ._ /_)

JAMES C. G. Walker, James C. G. Walker, 1992 .

A blast of gas in the latest Paleocene: simulating first-order effects of massive dissociation of oceanic methane hydrate.

G. Dickens, M. M. Castillo, J. C. Walker, 1997, Geology.

A constant daylength during the Precambrian era?

K. Zahnle, J. C. Walker, James C. G. Walker, 1987, Precambrian research.

Climatic oscillations during the Precambrian era

K. Zahnle, JAMES C. G. Walker, James C. G. Walker, 1987 .

Effects of fuel and forest conservation on future levels of atmospheric carbon dioxide.

J. Kasting, J. C. Walker, James C. G. Walker, 1992, Global and planetary change.

Long-Term Effects of Fossil-Fuel-Burning and Deforestation on Levels of Atmospheric CO2

J. Kasting, JAMES C. G. Walker, James C. G. Walker, 1993 .

Effects of soft electron precipitation on the distribution of vibrational energy of N2

G. P. Mantas, James C. G. Walker, G. Newton, 1977 .

Carbon geodynamic cycle

JAMES C. G. Walker, James C. G. Walker, 1983, Nature.

A numerical simulation of climate changes during the obliquity cycle on Mars.

L. François, W. Kuhn, J. C. Walker, 1990, Journal of geophysical research.

Trace constituents in the middle atmosphere by high resolution UV spectroscopy

S. Atreya, A. Nagy, P. Hays, 1980 .

Rates of fixation by lightning of carbon and nitrogen in possible primitive atmospheres

W. Chameides, J. C. Walker, James C. G. Walker, 1981, Origins of life.

Why the oxygen isotopic composition of sea water changes with time

JAMES C. G. Walker, K. C. Lohmann, James C. G. Walker, 1989 .

Stability of atmospheric oxygen

JAMES C. G. Walker, James C. G. Walker, 1974 .

Climatic factors on the Archean earth

JAMES C. G. Walker, James C. G. Walker, 1982 .

Formation of the Inner Planets

JAMES C. G. Walker, James C. G. Walker, 1976 .

THE GEOCHEMICAL CARBON CYCLE AND THE UPTAKE OF FOSSIL FUEL CO2

J. Kasting, James C. G. Walker, 2008 .

Space science without rockets: Measurement of ionospheric properties at the Arecibo Observatory

James C. G. Walker, 1978 .

Biogeochemistry.

James C. G. Walker, 1981, Science.