(http://iridl.ldeo.columbia.edu/SOURCES/.IGOSS/.TOPEX/.NOAA/.ssha/%5BX+T+%5Ddetrend-bfl/%5BY+%5Ddetrend-bfl/%5BT+%5Ddetrend-bfl/Y+integral/%5BT+%5Ddetrend-bfl/dods)readdods