The dataset of water temperature, and salinity CTD profiles was obtained during the Pacific Oceanographic Cruise XXXVIII / VI Joint Regional Oceanographic Research Cruise in the Southeast Pacific, conducted between September 1st and 21st, 2003, 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, with the objective to determine the behavior of physical, chemical and biological parameters of the ocean. Data are in CSV format.

The dataset of water temperature, and salinity profiles were taken by CTD during the Pacific Oceanographic Cruise XLII, developed on September 15th and 17th, 2006, by the Pacific Pollution Control Center (CCCP) of the General Maritime Directorate (DIMAR), aboard the research vessel ARC Providencia, covering 19 stations located throughout the basin Colombian Pacific, with the objective to determine the variability of the physical and chemical conditions of this area. 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.

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 of water temperature, and salinity profiles was obtained during the Pacific Oceanographic Cruise XXXVII / ERFEN XXV, developed between September 3rd and 22nd, 2002, by the Pacific Pollution Control Center (CCCP) of the General Maritime Directorate (DIMAR), aboard the research vessel ARC Providencia, covering 36 stations located throughout the Colombian Pacific basin, with the objective to characterize the stratification of the water column to determine the behavior of physical, chemical and biological parameters of the ocean, in order to obtain information that allows establishing a relationships whit the El Niño-Southern Oscillation (ENSO) event. Data are in CSV.

The dataset of water temperature, and salinity profiles taken by CTD during the Pacific Oceanographic Cruise XXXIII / ERFEN XXXI, conducted between November 19th and December 6th, 2000, by the Pacific Pollution Control Center (CCCP) of the General Maritime Directorate (DIMAR), aboard the research vessel ARC Providencia, covering 56 stations located throughout the Colombian Pacific basin, with the purpose of characterizing the variation of the physical, chemical, and biological parameters of the ocean, and relating them to anomalies of an El Niño phenomenon. Data are in CSV format.

The dataset of water temperature, and salinity profiles taken by CTD during the Pacific Oceanographic Cruise XLI / Regional Study of the El Niño Event ERFEN XXXIX, conducted between September 1st and 24th, 2005, by the Pacific Pollution Control Center (CCCP) of the General Maritime Directorate (DIMAR), aboard the research vessel ARC Providencia, covering 40 stations located throughout the Colombian Pacific basin, with the objective to analyze the spatiotemporal behavior of meteorological, oceanographic, chemical and biological parameters in situ. Data are in CSV format.

The dataset of water temperature, salinity, and other profiles taken by CTD during the Pacific Oceanographic Cruise XLIX/ XIII Joint Regional Oceanographic Research Cruise in the Northeast Pacific from September 17th to October 6th, 2010, 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 conditions of this area with the purpose of knowing the behavior and anticipating their evolution. 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 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.