In order to improve the ability of the hydro-meteorological service, the hydro-meteorological service system of Hanjiang Basin in southern Shaanxi was established based on the refined weather forecast technology and hydro-meteorological model as well as related meteorological observations and hydrological information. The system was designed and developed according to the developing of automatic hydro-meteorological monitoring network, refined hydro-meteorology forecast, as well as the preliminary application of hydro-meteorological service and exploring of 3D simulation. Meanwhile, an ‘ABC’ technology including “artificial intelligence”, “big data” and “cloud computing” had been put into use in the system. As a result, the system could provide the refined forecast and service products and the scientific emergency strategies for the weather monitoring and forecasting, the meteorological service in flood prevention, especially the flood prevention scheduling in Hanjiang Basing in southern Shaanxi.

Based on the data obtained from“Beijing 2006WeatherServices Public Survey”, the qualitative and quantitative statistical analysiswere carried out from three aspects: the general public’swilling to pay for the yearlyweather services, the general public’s attention to themeteorological products and the issues for the further improvement ofweather services. The general public needswere analyzed. It’s necessary to give publicity about theweather service for the generalpublic to realize the value of theweather service. It is found that the generalpublic needs ofmeteorological information have shown certain characteristics, which can bewell explained by theMaslow’sHierarchy ofNeed Theory and theAvailabilityTheory in behavioral economics. Based on the results obtained from this study, some suggestionswere given for improving themeteorological services in the future.

The spatial distribution of land surface temperature (LST) in different seasons in the Qilian Mountain area were derived based on Becker - L i (1990) ’s algorithm. The results show that the distribution of instantaneous LSTwas in general accord with macroscop ical variation of coinstantaneous air temperature data, and the diverse topography and different cover types of underlying surfacedecided spatial distribution patterns of LST. The vertical distribution of LST was also discussed. The results show when the Terra -MOD IS collects data, the LST lap se rate varies from 4. 52 - 6. 56 ℃/km, and the minimum value happens in the direction of sunshine, which app roximates to 4. 52 ℃/km on the right south side of the mountains; the maximal value happens at the opposite side of sunshine, which is 6. 56 ℃/km at the north side of the mountains. The LST lap se rate in high altitude regions is higher than that in low altitude regions.

 Based on the climatic; data of  ten years(1991一2000)China are analyzed.  The result show that the hail distribution is the spatial一temporal distribution(harac;teristi<、of hail in Northwest in belt patterns and the main hail zone is in the middle part of Tibetan plateau Qilian mountain and the west part of Tianshan mountain the more frequent、entre is in the south side along the east一WPSt mountains than that and the east side along the north一、outh mountains } the date o<(urrin} hails in mOthe south part of the plateau and the hail duration is lone but the hail days are the north part of Tibetan Plateau is earlier fewer than that in the south part of the plateau from the (urves of dec;adal and pentad evolution of hail days