Gordon wrote on many topics: angling techniques («The fly must be placed to an inch as the fish will rarely take it unless it
floats over them just right»), the books he read, the effects of drought and floods on fish, the seasons of the year («The silence of the
snows is
over all the land, and the bright waters of our trout streams run almost black between icy banks») and his belief in the natural fly as a model for the artificial («The insect must be studied and many patterns dressed before one can hope to satisfy the critical eyes of the trout»).
Indeed as as MarkW has said the extension during the austral winter of the surface of the antarctic ice up to 20 M km ² and 60 ° S would deserve a computation of the total albedo of (
floating ice +
snow cover)(
over the southern and the northern hemispheres), with due account of the elevation of the Sun and of the clouds.