(http://iridl.ldeo.columbia.edu/SOURCES/.LEVITUS94/.MONTHLY/.temp/%5BX+Z+T+%5Ddetrend-bfl/%5BX+Y+T+%5Ddetrend-bfl/%5BX+Z+%5Ddetrend-bfl/%5BZ+%5Ddetrend-bfl/dods)readdods