【正文】 accounting for more than half of annual precipitation. Fog conditions: fog days ， on average is days, more mon in autumn and winter (3)temperature： On average ， the temperature is 12 ℃ in each year, the maximum temperature is ℃ , the extreme minimum temperature is ℃ . Ice conditions: From December to the next February is the freeze period, ice thickness near the coast generally 520 mm, but it usually does not affect the navigation 2,Hydrology： (1)Tidal： 6 It is an irregular halfday tide, high and low tide occurs 2 times per month, with dates ranging from the phenomenon of a significant maximum water level is m, the lowest low value is m, maximum tidal range is m. (2)Tidal current： The rising tide speed of flow is meters/second, the ebb tide speed of flow is meters/second, the tidal current flows is parallel basically with the route. (3)Wave： The Tianjin Port is influence by the season wind, the winter is in vogue the leaning north wind, summer is in vogue the southeaster, affects this sea area the fundamental wave to is NNE~E approaches. Chang Lang to is ENE and E to, the frequency respectively is % and %, the strong wave to is ENE to, is bigger than meter wave frequencies is %, a strong wave is NNW to, is bigger than .5 meter wave frequencies is %. Traffic Tianjin Port is located in the North sea and land transport hub, munication BeijingHabin, BeijingShanghai two large railway route. Highway is connecting the port of Tianjin, Beijing and Hebei, the road work around, Tanggu expressway is pleted, the 500 km range, container door to door transportation is very convenient. At present, Tianjin Port has been the same in the central and western regions of Xi39。 there to Japan, the United States, Western Europe, Southeast Asia, the Persian Gulf, Korea, Hong Kong and other countries and regions Regular shipping route more than 10, a total of more than 30 flights. Tianjin port currently the world39。s total salt (total about 1 / 4), coal ( total about 3 / 5), oil (total about 1 / 6), mine (total about 1 / 7) and so rich in resources, has great potential for development。 eight container berths, the annual capacity of one million standard containers by。 The First Ports Corporation： Berth length 776 m, 2ton berths 3, water depth of m, 1ton berths 1, water depth of meters. The Second Ports Corporation： Berth length 1951 m, 2ton berths 2, water depth of m, 1ton berths 7, front water depth m 8 The Third Ports Corporation： Berth length 1064 m, 3,000ton passenger berths 2, water depth of m, 3,000 ~ 6,000 ton cargo berths 7, front ~ meters depth The forth Ports Corporation： Berth length 912 m, 1 5ton berths, advanced meters water depth of 9 ~ The fifth Ports Corporation： Berth length 996 m, 1ton berths, water depth of 9 m. The sixth Ports Corporation： Berth length 1314 m, 2ton berths 6, front water depth m. Sinor Terminal： berths 1, depth of meters forward. Orient Container Terminal： Is the largest container terminal in China, with eight berths, designed annual handling capacity of 1 million TEU. 15 units with crane (the largest extended from 45 meters), field 22 sets the bridge. Orient Container Company also two 10,000 t bulk cargo berths. South Development Company： Berth length 944 meters, tons of refined oil berths 3, 5ton crude oil berth 1. 50 thousand tons and tonclass deep water berths designed annual handling capacity of coal from 1000 to 30 million tons. Storage yard and the ability Tianjin Port has good facilities, advanced technology and management practices of all million square meters of permanent library field, one can store million tons of various goods, storage containers 31386TEU, including storage of