Tabulation of meteorological variables and concentrations of helium, carbon dioxide, oxygen, and nitrogen in soil gases collected regularly from a site at Reston, Virginia, for one year

Abstract

Concentrations of helium, carbon dioxide, oxygen, and nitrogen were measured over a period of 1 year from a single site at Reston, Virginia. Samples of soil gases were collected from a hollow probe at 0.75-m depth and from a hemisphere on the ground surface. Soil temperature, air temperature, percent humidity, barometric pressure, rain, and snowfall were also measured. Sampling and analysis of the soil gases are described and gas and meteorological measurements are listed.

Tabulation of N₂, O₂, CO₂, and He concentrations in soil gases collected on a regular basis for 11 months from a site at Tucson, Arizona

“…Measurements of concentrations of N2 , O2 , CO2 , and He in soil gases and meteorological parameters have been monitored on a long-term basis at several sites in both dry and humid environments (Klusman and Jaacks, 1987;Hinkle, 1988Hinkle, , 1990aHinkle, , 1990bHinkle and Ryder, 1988;Hinkle and Dennen, 1989) . The purpose of these studies has been to better understand the effects of environmental conditions on concentrations of soil gas components that are often used for geochemical exploration for mineral and geothermal resources.…”

Tabulation of N₂, O₂, CO₂, and He concentrations in soil gases collected regularly for 13 months at a site on the summit of Kilauea Volcano

“…Measurement of concentrations of N2, O2, CO2, and He in soil gases and meteorological parameters has been monitored on a long-term basis at several sites within the United States (Klusman and Jaacks, 1987;Hinkle, 1988;Hinkle and Ryder, 1988;Hinkle and Dennen, 1989). The purpose of these studies has been to better understand the effects of environmental conditions on concentrations of soil gas components that are often used for geochemical exploration for mineral and geothermal resources.…”