Retreat of glaciers since 1850 doing so due to transient local weather conditions, which have brought more precipitation and cloudier, cooler summers since 2002. Tropical glaciers are located between the Tropic of Cancer and the Tropic of Capricorn, in the region that lies 23° 26′ 22″ north or south of the equator. Strictly, a tropical glacier is located within the astronomical tropics; the area where the annual temperature variation is less than the daily variation, and is within the oscillation area of the Intertropical Convergence Zone. Tropical glaciers are the most uncommon of all glaciers for a variety of reasons. Firstly, the regions are the
Capricorn and Bunker Group of Masthead Island on 4 April 1927. Valante 28 January 1957 Masthead Island. Kokotu motor vessel struck a reef off Lady Musgrave Island during cyclone Emily, 1 April 1972. Capricorn and Bunker Group The islands and reefs of the Capricorn and Bunker Group are situated astride the Tropic of Capricorn at the southern end of the Great Barrier Reef, approximately 80 kilometres east of Gladstone, which is situated on the central coast of the Gladstone Region, Queensland, Australia. Many of these islands form part of the Capricornia Cays National Park and are part of the Great Barrier Reef World Heritage