Chapter Nine
============

Atlantic Ocean
--------------

.. admonition:: Data files supplied for Chapter 9 exercises

  * Atlantic sections: →

    * A22_1997: →

      * A22_1997_bottle.joa

    * A20_2003: →

      * A20_2003_clean_bottle.joa

    * A21_1990: →

      * A21_1990_clean_bottle.joa
      * A21_1990_clean_hy1.csv
      * A21_1990_decimated_CTD.joa

    * A12_1992: →

      * A12_1992_clean_bottle_hy1.csv
      * A12_1992_clean_bottle.joa
      * A12_1992_clean_CTD.joa

    * Atlantic_35W_1983: →

      * Atlantic_35°W_bottle.joa

    * A13.5_AJAX_1983: →

      * A13.5_AJAX_1983_bottle.poa

    * A10_1992: →

      * A10_1992_bottle.joa

    * A01_1991: →

      * A01_1991_bottle.poa

    * A05_1992: →

      * A05_1992_clean_bottle.joa

    * A10_2003: →

      * A10_2003_clean_bottle.joa

    * Atlantic_48N_nearA02_1982: →

      * Atlantic_48°N_1982_bottle.joa

    * A08_1983: →

      * A08_1983_bottle.joa

    * WOA_copies_of_Atlantic_sections: →

      * A01_WOA05_clean.joa
      * A05_WOA05_clean.joa
      * A12_WOA05_clean.joa
      * A16_WOA05.joa
      * A20_WOA05_clean.joa
      * A21_WOA05_clean.joa

    * A16_2003_2005: →

      * A16_2003_2005_clean_bottle.joa
      * A16_2003_2005_decimated_CTD.joa

    * A06_1989: →

      * A06_1989_bottle.joa

    * A08_1994: →

      * A08_1994_bottle.joa

    * A03_1993: →

      * A03_1993_bottle.joa

    * A22_2003: →

      * A22_2003_clean_bottle.joa

    * A20_1997: →

      * A20_1997_bottle.joa

    * A16_1988_1989: →

      * A16_1988_1989_bottle.joa

    * A01W_1995: →

      * A01W_1995_clean_bottle.joa

    * A05_1998: →

      * A05_1998_clean_bottle.joa

  * WOA98_heavideci_basin_global_gridded_data: →

    * WOA98_heavydeci_Atlantic.poa

  * WOA_decimated_basin_global_gridded_data: →

    * WOA05_decimated_Atlantic.joa
    * WOA05_decimated_North_Atlantic.joa
    * WOA05_decimated_South_Atlantic.joa

  * WOA_basin_global_gridded_data: →

    * WOA05_Atlantic.joa
    * WOA05_NorthAtlantic_square.joa

  Download: :download:`Chapter 9 Data Files<./DPO_data_chapter_9.7z>`

Goals
`````
* Understand the water masses, circulation and other aspects of descriptive physical oceanography of the Atlantic Ocean & its marginal seas

To accomplish this, one will:
`````````````````````````````
* Learn to extract data subsets from map plots
* Learn how to use advanced JOA tools for working with basin-scale data sets

Tools
`````
* JOA Section Editor
* Interpolations Options dialog box

DPO Chapter 9 Sections
```````````````````````

DPO JOA examples are available for the following **emphasized** sections:

.. list-table::
  :widths: 10, 90

  * - **9.1**
    - **Introduction and overview**
  * - 9.2
    - Forcing
  * - 9.2.1
    - Wind forcing
  * - 9.2.2
    - Buoyancy forcing
  * - **9.3**
    - **North Atlantic circulation**
  * - **9.3.1**
    - **Subtropical circulation**
  * - **9.3.2**
    - **Gulf Stream system**
  * - **9.3.3**
    - **Canary and Portugal Current systems**
  * - **9.3.4**
    - **North Atlantic Current**
  * - **9.3.5**
    - **Subpolar circulation**
  * - 9.3.6
    - North Atlantic eddy variability and Gulf Stream rings
  * - **9.4**
    - **Tropical Atlantic circulation**
  * - **9.5**
    - **South Atlantic circulation**
  * - **9.5.1**
    - **Subtropical gyre**
  * - **9.5.2**
    - **Brazil Current**
  * - **9.5.3**
    - **Malvinas Current and Subantarctic Front**
  * - **9.5.4**
    - **Benguela Current System**
  * - 9.5.5
    - South Atlantic eddy variability and Agulhas rings
  * - **9.6**
    - **Depth dependence of the Atlantic Ocean circulation**
  * - **9.6.1**
    - **Depth dependence of the wind-driven circulation**
  * - **9.6.1.1**
    - **Depth dependence of the subtropical gyre circulation**
  * - **9.6.1.2**
    - **Depth dependence of the North Atlantic’s subpolar gyre**
  * - **9.6.2**
    - **Deep circulation and Deep Western Boundary Currents**
  * - 9.6.2.1
    - Lateral circulation and basin connections
  * - **9.6.2.2**
    - **Deep Western Boundary Currents**
  * - 9.6.2.3
    - Recirculations and time dependence
  * - **9.7**
    - **Meridional overturning circulation in the Atlantic**
  * - **9.8**
    - **Atlantic Ocean water masses**
  * - **9.8.1**
    - **Potential temperature vs. salinity and oxygen**
  * - **9.8.2**
    - **Atlantic Ocean upper waters**
  * - **9.8.2.1**
    - **Surface water and mixed layer**
  * - **9.8.2.2**
    - **Central Water and Subtropical Underwater**
  * - **9.8.2.3**
    - **Mode Waters**
  * - **9.8.3**
    - **Intermediate waters**
  * - **9.8.3.1**
    - **Labrador Sea Water**
  * - **9.8.3.2**
    - **Mediterranean Water**
  * - **9.8.3.3**
    - **Antarctic Intermediate Water**
  * - **9.8.4**
    - **Deep and bottom waters**
  * - **9.8.4.1**
    - **Nordic Seas Overflow Waters**
  * - **9.8.4.2**
    - **Antarctic Bottom Water**
  * - **9.8.4.3**
    - **North Atlantic Deep Water**
  * - **9.9**
    - **Climate and the Atlantic Ocean**