. Biological series. Biology. 16 Clemens: Limnology of Lake Nipigon figures have then been used for the calculation of the number of gram calories per square centimetre of surface received by each five-metre stratum above 4°C. using the formula (T—4)x500. These results are given in Tables 8, 9 and 10 and show: (1) that by the middle of June about a third of the total amount of heat of the season had been gained and that this heat was contained in the upper half of the lake, that is, in the upper 60 metres; (2) that by the end of the first week in July there had been a considerable gain in heat
. Biological series. Biology. 16 Clemens: Limnology of Lake Nipigon figures have then been used for the calculation of the number of gram calories per square centimetre of surface received by each five-metre stratum above 4°C. using the formula (T—4)x500. These results are given in Tables 8, 9 and 10 and show: (1) that by the middle of June about a third of the total amount of heat of the season had been gained and that this heat was contained in the upper half of the lake, that is, in the upper 60 metres; (2) that by the end of the first week in July there had been a considerable gain in heat by the upper waters, con- fined largely to the upper five Fig. 2. Curves illustrating temperature records at Station 2, Lake Nipigon. (3) that by the end of July there had been large gains in heat by the upper 20 metres. Unfortunately no tempera- ture records were obtained in late July in the open waters, but it is doubtful if at the end of July any appreciable amount of heat had penetrated below 60 metres. (4) that the effect of the storm on July 30 was to dis-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original University of Toronto; Toronto, Ont. University. University of Toronto studies. Biological series. Toronto University Press [etc. ]
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbiology, bookyear1898
