Our results showed that there is great variability in pCO2 which was higher during spring in CCS and CC while GT had great variability in autumn-winter due to Tehuanos winds, which are inertial winds that cruise from the Gulf of Mexico to the Pacific (GT) every year in November to March. Therefore, this research aimed to describe the variation of pCO2 in this area during almost two decades. Databases from NOAA, GLODAP, LDEO, and SOCAT. We used databases with information on sea surface temperature, salinity, and the partial pressure of CO2 (pCO2) from 1993 to 2018. The study area had three regions according to their oceanographic features California Current System (CCS 22.5-34°N), Cabo Corrientes (CC 16.5-22.5° N), and Gulf of Tehuantepec (GT 9-16.5° N). The Pacific off Mexico is an extensive area in which diverse processes occur at different spatiotemporal scales, such as coastal upwelling and the confluence of different water masses, which causes great uniqueness to each region comprising the area. Marine and aquatic carbon cycling : B.2 The value chain of (surface) ocean CO2 measurements 2Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional (CIIDIR Unidad Sinaloa), Guasave, Mexico
Luz de Lourdes Aurora Coronado-Álvarez 1*, José Martín Hernández-Ayón 1, Orión Norzagaray-López 1, Leticia Espinosa-Carreón 2ġInstituto de Investigaciones Oceanológicas de la Universidad Autónoma de Baja California, Ensenada, Mexico. 13 Spatiotemporal variability of the pCO2 in the Pacific off Mexico
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