Original sentence: Arctic explorer Fridtjof Nansen and his assistant Hjalmar Johansen used the phenomenon to find lanes of water in their failed expedition to the North Pole as did Bernacchi and Douglas Mawson in the Antarctic.Because it requires regions with large areas of ice and low lying clouds, water sky is mostly limited to the extreme northern and southern sections of our earth, in Antarctica and in the Arctic.The Home of the Blizzard Douglas Mawson.The Phantom of the Poles William Reed 1906
Edited sentence: Arctic explorer Fridtjof Nansen and his assistant Hjalmar Johansen used the phenomenon to find lanes of water in their failed expedition to the North Pole as did Bernacchi and Sir Douglas Mawson in the Antarctic.It forms in regions with large areas of ice and low lying clouds and so is limited mostly to the extreme northern and southern sections of earth, in Antarctica and in the Arctic.Mawson, Sir Douglas; The Home of the Blizzard.Reed, William; The Phantom of the Poles 1906