Volume 7. Physical oceanographic and meteorological data
from principal participating ships and Oceanographer,
third and fourth monitor cruises, October 1967 - January 1968

 
Love, C. M. (Ed.) (1973). Physical oceanographic and meteorological data from principal participating ships and Oceanographer, third and fourth monitor cruises, October 1967 - January 1968. EASTROPAC Atlas, vol. 7. Washington, D. C.: National Marine Fisheries Service.

Front cover
Inside front cover
Errata 1, 2
Title page
, cont.

INTRODUCTION. By Cuthbert M. Love
List of Figures iv, v, vi, vii

Reference maps and track charts

FIGURE RM-a. Reference map of the main portion of the EASTROPAC area.
FIGURE RM-b. Reference map of the southern coastal portion of the EASTROPAC area.
FIGURE 50-TC. Locations of stations occupied by participating ships during the first monitor period, October-November 1967.
FIGURE 60-TC. Locations of stations occupied by participating ships during the second monitor period, December 1967 - January 1968.

Surface and near-surface properties

FIGURE 50-T-s. Temperature (C) at the sea surface, October-November 1967.
FIGURE 50-ML. Thickness of the mixed layer in meters, October-November 1967.
FIGURE 50-S-s. Salinity () at the sea surface, October-November 1967.
FIGURE 50-O2Sa-10. Oxygen saturation (%) at 10 meters, October-November 1967.

Properties on isanosteric surfaces

FIGURE 50-δ300-z. Depth (m) of the surface where δT=300 cl/t, October-November 1967.
FIGURE 50-S-δ300. Salinity () on the surface where δT=300 cl/t, October-November 1967.
FIGURE 50-AP-δ300. Acceleration potential (j/kg), relative to 500 db, on the surface where δT=300 cl/t, October-November 1967.
FIGURE 50-O2-δ300. Oxygen (ml/l) on the surface where δT=300 cl/t, October-November 1967.
FIGURE 50-δ250-z. Depth (m) of the surface where δT=250 cl/t, October-November 1967.
FIGURE 50-S-δ250. Salinity () on the surface where δT=250 cl/t, October-November 1967.
FIGURE 50-AP-δ250. Acceleration potential (j/kg), relative to 500 db, on the surface where δT=250 cl/t, October-November 1967.
FIGURE 50-O2-δ250. Oxygen (ml/l) on the surface where δT=250 cl/t, October-November 1967.
FIGURE 50-δ200-z. Depth (m) of the surface where δT=200 cl/t, October-November 1967.
FIGURE 50-S-δ200. Salinity () on the surface where δT=200 cl/t, October-November 1967.
FIGURE 50-AP-δ200. Acceleration potential (j/kg), relative to 500 db, on the surface where δT=200 cl/t, October-November 1967.
FIGURE 50-O2-δ200. Oxygen (ml/l) on the surface where δT=200 cl/t, October-November 1967.
FIGURE 50-δ160-z. Depth (m) of the surface where δT=160 cl/t, October-November 1967.
FIGURE 50-S-δ160. Salinity () on the surface where δT=160 cl/t, October-November 1967.
FIGURE 50-AP-δ160. Acceleration potential (j/kg), relative to 500 db, on the surface where δT=160 cl/t, October-November 1967.
FIGURE 50-O2-δ160. Oxygen (ml/l) on the surface where δT=160 cl/t, October-November 1967.

Meteorology

FIGURE 50-MW-1. Analyses of the surface air pressure and surface winds for the period October 1-15, 1967.
FIGURE 50-MW-2. Analyses of the surface air pressure and surface winds for the period October 16-31, 1967.
FIGURE 50-MW-3. Analyses of the surface air pressure and surface winds for the period November 1-15, 1967.
FIGURE 50-MW-4. Analyses of the surface air pressure and surface winds for the period November 16-30, 1967.
FIGURE 50-MT-1. Analysis of sea surface temperatures for the period October 1-15, 1967.
FIGURE 50-MT-2. Analysis of sea surface temperatures for the period October 16-31, 1967.
FIGURE 50-MT-3. Analysis of sea surface temperatures for the period November 1-15, 1967.
FIGURE 50-MT-4. Analysis of sea surface temperatures for the period November 16-30, 1967.
FIGURE 50-MC-1. Analyses of the surface dew-point temperature of the air and total cloud cover for the month of October 1967.
FIGURE 50-MC-2. Analyses of the surface dew-point temperature of the air and total cloud cover for the month of November 1967.

Temperature and salinity

FIGURE 50-T-v1. Vertical distribution of temperature (C) along 11910' W, October 20-29, 1967.
FIGURE 50-T-v2. Vertical distribution of temperature (C) along 11210' W, October 30 - November 4, 1967.
FIGURE 50-T-v3. Vertical distribution of temperature (C) along a section from 12 N, 11210' W to Manzanillo, November 4-7, 1967.
FIGURE 50-T-v4. Vertical distribution of temperature (C) along a section from Acapulco to 12 N, 10510' W, November 11-13, 1967.
FIGURE 50-T-v5. Vertical distribution of temperature (C) along 10510' W, November 13-18, 1967.
FIGURE 50-T-v6. Vertical distribution of temperature (C) along 9810' W, November 20-26, 1967.

FIGURE 50-S-vl. Vertical distribution of salinity () along 11910' W, October 20-29, 1967.
FIGURE 50-S-v2. Vertical distribution of salinity () along 11210' W, October 30 - November 4, 1967.
FIGURE 50-S-v3. Vertical distribution of salinity () along a section from 12 N, 11210' W to Manzanillo, November 4-7, 1967.
FIGURE 50-S-v4. Vertical distribution of salinity () along a section from Acapulco to 12 N, 10510' W, November 11-13, 1967.
FIGURE 50-S-v5. Vertical distribution of salinity () along 10510' W, November 13-18, 1967.
FIGURE 50-S-v6. Vertical distribution of salinity () along 9810' W, November 20-26, 1967.

Thermosteric anomaly and geostrophic velocity

FIGURE 50-δ-vl. Vertical distribution of thermosteric anomaly, δT, (cl/t) along 11910' W, October 20-29, 1967.
FIGURE 50-δ-v2. Vertical distribution of thermosteric anomaly, δT, (cl/t) along 11210' W, October 30 - November 4, 1967.
FIGURE 50-δ-v3. Vertical distribution of thermosteric anomaly, δT, (cl/t) along a section from 12 N, 11220' W to Manzanillo, April 29-May 2, 1967.
FIGURE 50-δ-v4. Vertical distribution of thermosteric anomaly, δT, (cl/t) along a section from Acapulco to 12 N, 10510' W, November 11-13, 1967.
FIGURE 50-δ-v5. Vertical distribution of thermosteric anomaly, δT, (cl/t) along 10510' W, November 13-18, 1967.
FIGURE 50-δ-v6. Vertical distribution of thermosteric anomaly, δT, (cl/t) along 9810' W, November 20-26, 1967.

FIGURE 50-G-vl. Vertical distribution of the zonal component of geostrophic velocity (cm/sec), relative to 500 db, along 11910' W, October 20-29, 1967.
FIGURE 50-G-v2. Vertical distribution of the zonal component of geostrophic velocity (cm/sec), relative to 500 db, along 11220' W, April 24-29, 1967.
FIGURE 50-G-v3. Vertical distribution of the component of geostrophic velocity (cm/sec), relative to 500 db, normal to a section from 12 N, 11210' W to Manzanillo, November 4-7, 1967.
FIGURE 50-G-v4. Vertical distribution of the component of geostrophic velocity (cm/sec), relative to 500 db, normal to a section from Acapulco to 12 N, 10510' W, November 11-13, 1967.
FIGURE 50-G-v5. Vertical distribution of the zonal component of geostrophic velocity (cm/sec), relative to 500 db, along 10510' W, November 13-18, 1967.
FIGURE 50-G-v6. Vertical distribution of the zonal component of geostrophic velocity (cm/sec), relative to 500 db, along 9810' W, November 20-26, 1967.

Oxygen

FIGURE 50-O2-vl. Vertical distribution of oxygen (ml/l) along 11910' W, October 20-29, 1967.
FIGURE 50-O2-v2. Vertical distribution of oxygen (ml/l) along 11210' W, October 30 - November 4, 1967.
FIGURE 50-O2-v3. Vertical distribution of oxygen (ml/l) along a section from 12 N, 11220' W to Manzanillo, April 29-May 2, 1967.
FIGURE 50-O2-v4. Vertical distribution of oxygen (ml/l) along a section from Acapulco to 12 N, 10510' W, November 11-13, 1967.
FIGURE 50-O2-v5. Vertical distribution of oxygen (ml/l) along 10510' W, November 13-18, 1967.
FIGURE 50-O2-v6. Vertical distribution of oxygen (ml/l) along 9810' W, November 20-26, 1967.

Temperature and salinity

FIGURE OP-T-v1. Vertical distribution of temperature (C) along a northeast-southwest section from the coast of Peru to 12 S, 85 W, November 14-15, 1967.
FIGURE OP-T-v2. Vertical distribution of temperature (C) along 85 W, November 15-19, 1967.
FIGURE OP-T-v3. Vertical distribution of temperature (C) along a northeast-southwest section from the Equator at 85 W to 3 S, 92 W, November 19-21, 1967.
FIGURE OP-T-v4. Vertical distribution of temperature (C) along 92 W, November 21-26, 1967.

FIGURE OP-S-vl. Vertical distribution of salinity () along a northeast-southwest section from the coast of Peru to 12 S, 85 W, November 14-15, 1967.
FIGURE OP-S-v2. Vertical distribution of salinity () along 85 W, November 15-19, 1967.
FIGURE OP-S-v3. Vertical distribution of salinity () along a northeast-southwest section from the Equator at 85 W to 3 S, 92 W, November 19-21, 1967.
FIGURE OP-S-v4. Vertical distribution of salinity () along 92 W, November 21-26, 1967.

Thermosteric anomaly and geostrophic velocity

FIGURE OP-δ-vl. Vertical distribution of thermosteric anomaly, δT, (cl/t) along a northeast-southwest section from the coast of Peru to 12 S, 85 W, November 14-15, 1967.
FIGURE OP-δ-v2. Vertical distribution of thermosteric anomaly, δT, (cl/t) along 85 W, November 15-19, 1967.
FIGURE OP-δ-v3. Vertical distribution of thermosteric anomaly, δT, (cl/t) along a northeast-southwest section from the Equator at 85 W to 3 S, 92 W, November 19-21, 1967.
FIGURE OP-δ-v4. Vertical distribution of thermosteric anomaly, δT, (cl/t) along 92 W, November 21-26, 1967.

FIGURE OP-G-vl. Vertical distribution of the component of geostrophic velocity (cm/sec), relative to 500 db, normal to a northeast-southwest section from the coast of Peru to 12 S, 85 W, November 14-15, 1967.
FIGURE OP-G-v2. Vertical distribution of the zonal component of geostrophic velocity (cm/sec), relative to 500 db, along 85 W, November 15-19, 1967.
FIGURE OP-G-v4. Vertical distribution of the zonal component of geostrophic velocity (cm/sec), relative to 500 db, along 92 W, November 24-25, 1967.

Oxygen

FIGURE OP-O2-vl. Vertical distribution of oxygen (ml/l) along a northeast-southwest section from the coast of Peru to 12 S, 85 W, November 14-15, 1967.
FIGURE OP-O2-v2. Vertical distribution of oxygen (ml/l) along 85 W, November 15-19, 1967.
FIGURE OP-O2-v3. Vertical distribution of oxygen (ml/l) along a northeast-southwest section from the Equator at 85 W to 3 S, 92 W, November 19-21, 1967.
FIGURE OP-O2-v4. Vertical distribution of oxygen (ml/l) along 92 W, November 21-26, 1967.

Meteorology

FIGURE OP-UA-v2. Vertical section of the atmosphere along 85 W, November 16-21, 1967.
FIGURE OP-UA-v4. Vertical section of the atmosphere along 92 W, November 21-28, 1967.

Surface and near-surface properties

FIGURE 60-T-s. Temperature (C) at the sea surface, December 1967 - January 1968.
FIGURE 60-ML. Thickness of the mixed layer in meters, December 1967 - January 1968.
FIGURE 60-S-s. Salinity () at the sea surface, December 1967 - January 1968.
FIGURE 60-O2Sa-10. Oxygen saturation (%) at 10 meters, December 1967 - January 1968.
 
Properties on isanosteric surfaces

FIGURE 60-δ300-z. Depth (m) of the surface where δT=300 cl/t, December 1967 - January 1968.
FIGURE 60-S-δ300. Salinity () on the surface where δT=300 cl/t, December 1967 - January 1968.
FIGURE 60-AP-δ300. Acceleration potential (j/kg), relative to 500 db, on the surface where δT=300 cl/t, December 1967 - January 1968.
FIGURE 60-O2-δ300. Oxygen (ml/l) on the surface where δT=300 cl/t, December 1967 - January 1968.
FIGURE 60-δ250-z. Depth (m) of the surface where δT =250 cl/t, December 1967 - January 1968.
FIGURE 60-S-δ250. Salinity () on the surface where δT=250 cl/t, December 1967 - January 1968.
FIGURE 60-AP-δ250. Acceleration potential (j/kg), relative to 500 db, on the surface where δT=250 cl/t, December 1967 - January 1968.
FIGURE 60-O2-δ250. Oxygen (ml/l) on the surface where δT=250 cl/t, December 1967 - January 1968.
FIGURE 60-δ200-z. Depth (m) of the surface where δT=200 cl/t, December 1967 - January 1968.
FIGURE 60-S-δ200. Salinity () on the surface where δT=200 cl/t, December 1967 - January 1968.
FIGURE 60-AP-δ200. Acceleration potential (j/kg), relative to 500 db, on the surface where δT=200 cl/t, December 1967 - January 1968.
FIGURE 60-O2-δ200. Oxygen (ml/l) on the surface where δT=200 cl/t, December 1967 - January 1968.
FIGURE 60-δ160-z. Depth (m) of the surface where δT=160 cl/t, December 1967 - January 1968.
FIGURE 60-S-δ160. Salinity () on the surface where δT=160 cl/t, December 1967 - January 1968.
FIGURE 60-AP-δ160. Acceleration potential (j/kg), relative to 500 db, on the surface where δT=160 cl/t, December 1967 - January 1968.
FIGURE 60-O2-δ160. Oxygen (ml/l) on the surface where δT =160 cl/t, December 1967 - January 1968.

Meteorology

FIGURE 60-MW-1. Analyses of the surface air pressure and surface winds for the period December 1-16, 1967.
FIGURE 60-MW-2. Analyses of the surface air pressure and surface winds for the period December 17-31, 1967.
FIGURE 60-MW-3. Analyses of the surface air pressure and surface winds for the period January 1-14, 1968.
FIGURE 60-MW-4. Analyses of the surface air pressure and surface winds for the period January 15-31, 1968.
FIGURE 60-MT-l. Analysis of sea surface temperatures for the period December 1-16, 1967.
FIGURE 60-MT-2. Analysis of sea surface temperatures for the period December 17-31, 1967.
FIGURE 60-MT-3. Analysis of sea surface temperatures for the period January 1-14, 1967.
FIGURE 60-MT-4. Analysis of sea surface temperatures for the period January 15-31, 1968.
FIGURE 60-MC-l. Analyses of the surface dew-point temperature of the air and total cloud cover for the month of December 1967.
FIGURE 60-MC-2. Analyses of the surface dew-point temperature of the air and total cloud cover for the month of January 1968.

Temperature and salinity

FIGURE 60-T-v1. Vertical distribution of temperature (C) along 11845' W, December 21-31, 1967.
FIGURE 60-T-v2. Vertical distribution of temperature (C) along 11145' W, January 2-6, 1968.
FIGURE 60-T-v3. Vertical distribution of temperature (C) along a section from 12 N, 11145' W to Manzanillo, January 6-9, 1968.
FIGURE 60-T-v4. Vertical distribution of temperature (C) along a section from Acapulco to 12 N, 10445' W, January 13-15, 1968.
FIGURE 60-T-v5. Vertical distribution of temperature (C) along 10445' W, January 15-21, 1968.
FIGURE 60-T-v6. Vertical distribution of temperature (C) along 9745' W, January 22-28, 1967.

FIGURE 60-S-vl. Vertical distribution of salinity () along 11845' W, December 21-31, 1967.
FIGURE 60-S-v2. Vertical distribution of salinity () along 11145' W, January 2-6, 1968.
FIGURE 60-S-v3. Vertical distribution of salinity () along a section from 12 N, 11145' W to Manzanillo, January 6-9, 1968.
FIGURE 60-S-v4. Vertical distribution of salinity () along a section from Acapulco to 12 N, 10445' W, January 13-15, 1968.
FIGURE 60-S-v5. Vertical distribution of salinity () along 10445' W, January 15-21, 1968.
FIGURE 60-S-v6. Vertical distribution of salinity () along 9745' W, January 22-28, 1967.

Thermosteric anomaly and geostrophic velocity

FIGURE 60-δ-vl. Vertical distribution of thermosteric anomaly, δT, (cl/t) along 11845' W, December 21-31, 1967.
FIGURE 60-δ-v2. Vertical distribution of thermosteric anomaly, δT, (cl/t) along 11145' W, January 2-6, 1968.
FIGURE 60-δ-v3. Vertical distribution of thermosteric anomaly, δT, (cl/t) along a section from 12 N, 11145' W to Manzanillo, January 6-9, 1968.
FIGURE 60-δ-v4. Vertical distribution of thermosteric anomaly, δT, (cl/t) along a section from Acapulco to 12 N, 10445' W, January 13-15, 1968.
FIGURE 60-δ-v5. Vertical distribution of thermosteric anomaly, δT, (cl/t) along 10445' W, January 15-21, 1968.
FIGURE 60-δ-v6. Vertical distribution of thermosteric anomaly, δT, (cl/t) along 9745' W, January 22-28, 1968.

FIGURE 60-G-vl. Vertical distribution of the zonal component of geostrophic velocity (cm/sec), relative to 500 db, along 11845' W, December 21-31, 1967.
FIGURE 60-G-v2. Vertical distribution of the zonal component of geostrophic velocity (cm/sec), relative to 500 db, along 11145' W, January 2-6, 1968.
FIGURE 60-G-v3. Vertical distribution of the component of geostrophic velocity (cm/sec), relative to 500 db, normal to a section from 12 N, 11130' W to Manzanillo, July 4-7, 1967.
FIGURE 60-G-v4. Vertical distribution of the component of geostrophic velocity (cm/sec), relative to 500 db, normal to a section from Acapulco to 12 N, 10430' W, July 10-12, 1967.
FIGURE 60-G-v5. Vertical distribution of the zonal component of geostrophic velocity (cm/sec), relative to 500 db, along 10445' W, January 15-21, 1968.
FIGURE 60-G-v6. Vertical distribution of the zonal component of geostrophic velocity (cm/sec), relative to 500 db, along 9745' W, January 22-28, 1968.

Oxygen

FIGURE 60-O2-v1. Vertical distribution of oxygen (ml/l) along 11845' W, December 21-31, 1967.
FIGURE 60-O2-v2. Vertical distribution of oxygen (ml/l) along 11145' W, January 2-6, 1968.
FIGURE 60-O2-v3. Vertical distribution of oxygen (ml/l) along a section from 12 N, 11145' W to Manzanillo, January 6-9, 1968.
FIGURE 60-O2-v4. Vertical distribution of oxygen (ml/l) along a section from Acapulco to 12 N, 10445' W, January 13-15, 1968.
FIGURE 60-O2-v5. Vertical distribution of oxygen (ml/l) along 10430' W, July 13-18, 1967.
FIGURE 60-O2-v6. Vertical distribution of oxygen (ml/l) along 9745' W, January 22-28, 1968.