Primary and Secondary Production in Lake Esrom. Growth ofChironomus anthracinus in Relation to Seasonal Cycles of Phytoplankton and Dissolved Oxygen

1967 ◽  
Vol 52 (2) ◽  
pp. 163-217 ◽  
Author(s):  
Pétur M. Jónasson ◽  
Jørgen Kristiansen
Keyword(s):  
Dissolved Oxygen ◽  
Secondary Production ◽  
Seasonal Cycles

Long-term variability of oceanographic data at the Port Hacking 50-metre station

1977 ◽  
Vol 28 (1) ◽  
pp. 57 ◽  
Author(s):  
SD Hahn ◽  
DJ Rochford ◽  
JS Godfrey
Keyword(s):  
Dissolved Oxygen ◽  
Water Temperature ◽  
Inorganic Phosphate ◽  
Time Interval ◽  
Seasonal Cycles ◽  
Oceanographic Variables ◽  
Oceanographic Data ◽  
Annual Means

Measurements of water temperature, salinity, dissolved oxygen, nitrate and inorganic phosphate have been made at the Port Hacking 50-m station which is about 30 km south of Sydney and 5 km offshore. This paper reports an analysis of the data obtained between 1942 and 1972. Mean seasonal cycles of each of these variables have been evaluated for the time interval, as well as the annual means for each year. Shorter period fluctuations are studied by cross correlating the monthly anomalies of the various oceanographic variables.

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