Seep_Air_Data

West_Campus_Station_Data_1990-2020.dat.zip
West Campus Station data are from Jan 1 1990 to Sept 25 2019, as a comma-separated ascii file in format “day-month-year hour:minute:second” in local time, total hydrocarbon in units of ppm, wind speed in units of meters per second and wind direction in degrees. File is zip compressed.

Seep_Survey_27,28May2016.dat
Seep survey data are for data collected 27 May 2016 and 28 May 2016 as a comma-separated ascii file in format “day-month-year hour:minute:second” in universal time, methane in units of parts per million, wind speed in units of meters per second, and wind direction in degrees.

Seep_Survey_28May2016_Sample_Composition.xls
Excel file of samples collected in the seep field, time and location, and trace gas composition. CH4 and carbon dioxide CO2 in parts per million by volume, CO in parts per billion by volume, other trace gases in parts per trillion by volume. -888 means not detected.

SonarReturn_Apr2005.csv
Seep sonar survey data for data collected April 2005, analysis and details described in (1), in a comma separated ascii file of format Longitude in degrees, latitude in degrees, and sonar return in units of decibels.

1. I. Leifer, M. Kamerling, B. P. Luyendyk, D. Wilson, Geologic control of natural marine hydrocarbon seep emissions, Coal Oil Point seep field, California. Geo-Marine Letters 30, 331-338 (2010).