The dataset of water temperature, salinity, and dissolved oxygen profiles was obtained during the Pacific Oceanographic Cruise LI / XV Joint Regional Oceanographic Research Cruise in the Southeast Pacific, developed between September 5th and 18th, 2012, by the Pacific Oceanographic and Hydrographic Research Center (CCCP) of the General Maritime Directorate (DIMAR), aboard the research vessel ARC Providencia, covering 42 stations located throughout the Colombian Pacific basin, to evaluate the oceanographic and meteorological conditions of this area with the purpose of knowing the behavior and anticipate their evolution associated with the El Niño Southern Oscillation (ENSO). Data are in CSV format.

The dataset of water temperature, salinity, and dissolved oxygen profiles taken by CTD during the Pacific Oceanographic Cruise L / XIV Joint Regional Oceanographic Research Cruise in the Northeast Pacific conducted between October 20th and November 07th, 2011, by the Pacific Oceanographic and Hydrographic Research Center (CCCP) of the General Maritime Directorate (DIMAR), aboard the research vessel ARC Providencia, covering 43 stations located throughout the Colombian Pacific basin, to evaluate the oceanographic and meteorological condictions of this area, with the purpose of knowing the behavior and anticipate their evolution associated with the El Niño Southern Oscillation (ENSO). Data are in CSV format.

The dataset of water temperature, salinity, and dissolved oxygen profiles was taken by CTD during the Pacific Oceanographic Cruise XXXV / ERFEN XXXIII, conducted between August 27th and September 15th, 2001, by the Pacific Pollution Control Center (CCCP) of the General Maritime Directorate (DIMAR), aboard the research vessel ARC Providencia, covering 41 stations located throughout the Colombian Pacific basin, with the purpose of determine the behavior of the oceanographic and biological conditions in order to study the oceanographic and hydrobiological processes in this area. Data are in CSV format.

The dataset of water temperature, salinity, and dissolved oxygen profiles was obtained during the Pacific Oceanographic Cruise LIX / XXII Joint Regional Oceanographic Research Cruise in the Southeast Pacific, developed between September 19th and October 11th, 2019, by the Pacific Oceanographic and Hydrographic Research Center (CCCP) of the General Maritime Directorate (DIMAR), aboard the research vessel ARC Malpelo, covering 43 stations located throughout the basin Colombian Pacific, to continue with the Regional Study of the El Niño Phenomenon (ERFEN) program, to evaluate the oceanographic and meteorological conditions of the basin Colombian Pacific, and to analyze physical, chemical, biological and meteorological conditions of this area, as a contribution to the understanding and monitoring of El Niño-Southern Oscillation. Data are in CSV format.

The dataset of water temperature, salinity, and dissolved oxygen profiles was obtained during the Pacific Oceanographic Cruise LX / XXIII Joint Regional Oceanographic Research Cruise in the Southeast Pacific, conducted between September 13th and 25th, 2020, by the Pacific Oceanographic and Hydrographic Research Center (CCCP) of the General Maritime Directorate (DIMAR), aboard the research vessel ARC Malpelo, covering 42 stations located throughout the basin Colombian Pacific, to continue with the Regional Study of the El Niño Phenomenon (ERFEN) program, evaluating the oceanographic and meteorological conditions of the basin Colombian Pacific, and to analyze physical, chemical, biological and meteorological conditions of this area, as a contribution to the understanding and monitoring of El Niño-Southern Oscillation. Data are in CSV format.

The dataset contains water temperature, salinity, and dissolved oxygen profiles taken by CTD was obtained during the Pacific Oceanographic Cruise XXX / ERFEN XXVIII, developed between October 16th and 29th, 1998, by the Pacific Pollution Control Center (CCCP) of the General Maritime Directorate (DIMAR), aboard the research vessel ARC Malpelo, covering 57 stations located throughout the Colombian Pacific basin, with the purpose of characterizing the thermal, haline, and isopycnal behavior of the water masses. Data are in CSV format.

The dataset of water temperature, salinity and oxygen CTD profiles was obtained during the Pacific Oceanographic Cruise XXXIX / Regional Study of the El Niño Event ERFEN XXXVII, developed between September 10th and October 8th, 2004, by the Pacific Pollution Control Center (CCCP) of the General Maritime Directorate (DIMAR), aboard the research vessel ARC Providencia, covering 41 stations located throughout the Colombian Pacific basin, with the objective to analyze the behavior of meteorological, oceanographic, chemical and biological parameters in this area. Data are in CSV format.

The dataset of water temperature, salinity, and dissolved oxygen profiles was obtained during the Pacific Oceanographic Cruise XXXI / ERFEN XXIX, conducted between May 6th and 25th, 1999, by the Pacific Pollution Control Center (CCCP) of the General Maritime Directorate (DIMAR), aboard the research vessel ARC Malpelo, covering 88 stations located throughout the Colombian Pacific basin, with the purpose of determine the ocean- atmospheric, chemical and biological conditions in this area during the fading stage out of the La Niña cold episode. Data are in CSV format.

The dataset of water temperature, salinity, and oxygen profiles was obtained during the Pacific Oceanographic Cruise XLVIII, conducted between March 2nd and 26th, 2009, by the Pacific Pollution Control Center (CCCP) of the General Maritime Directorate (DIMAR), aboard the research vessel ARC Malpelo, covering 44 stations located throughout the Colombian Pacific basin, to evaluate the oceanographic and meteorological conditions, with the purpose of knowing the behavior and anticipate T/S/O2 evolution associated with the El Niño Southern Oscillation (ENSO). Data are in CSV format.

The dataset contains water temperature, and salinity profiles taken by CTD during the Pacific Oceanographic Cruise XLVII between September 6th and 26th, 2008, by the Pacific Pollution Control Center (CCCP) of the General Maritime Directorate (DIMAR), aboard the research vessel ARC Malpelo. It covers 44 stations located throughout the Colombian Pacific basin, with the objective of evaluating the oceanographic and meteorological conditions of the basin Colombian Pacific basin, with the purpose of knowing the behavior and anticipate their evolution associated with the El Niño Southern Oscillation (ENSO). Data are in CSV format.