Chu, G., Liu, J., Sun, Q., Lu, H., Gu, Z., Wang, W. and Liu, T. 2002. The 'Mediaeval Warm Period' drought recorded in Lake Huguangyan, tropical South China. The Holocene 12: 511-516.
A climatic history was derived from the geochemistry of dated sediments taken from Lake Huguangyan (21°9'N, 110°17'E) on the Leizhou Peninsula of South China, as well as from information contained in historical documents. The Medieval Warm Period occurred between AD 900 and 1300.