The palaeokarst landform in west Lungu region was restored by using seismic horizon flattening technique.

Based on the characteristic of low organic matter content and barreness of soil in windy desert area of western Liaoning Province,effective ways of increasing soil organic matter content were put forward,including inereasing application of organic fertilizer,utilization of peat,straw returning,grain crop-green manure rotation,etc,so as to improve the sandy land in windy desert area.

Air-sea flux exchange and variation over the Xisha sea area before and after the onset of southwest monsoon in 2002;

Observational radiation flux data(including solar radiation,reflected radiation from sea surface,atmospheric radiation and long-waved radiation from the sea) at sea surface of XiSha sea area of the South China Sea from May to June 2000 and some regular data such as the quantity of clouds,surface sea temperature,atmospheric temperature,water vapor and so on are studied and analyzed in this article.