大气降水

山东省城市大气降水pH值观测结果及其初步分析

The City 's Atmospheric Precipitation pH Observation of Shandong and Initial Analysis

大气降水中H2O2的测定方法

Determination method of H2O2 in atmospheric precipitation

GB/T13580.4-1992大气降水ph值的测定电极法

Determination of pH value of the wet precipitation-Glass electrode method

佛山市区大气降水pH值的时空分布及酸雨成因研究

Study on distribution of pH value of rainfall in the atmosphere and causes of acid Rain formation in Foshan City proper

H、O同位素资料指示成矿流体主要由大气降水、部分岩浆热液和变质热液混合演化而成。

The hydrogen and oxygen isotopes show that ore forming fluid was mainly evolved from meteoric water , partial magmatic water and metamorphic fluid .

气体成分有CO2、O2、N2，其体积百分含量比仍在大气降水含量比范围内。

, which is a sodium bicarbonate spring The volume percentage of contents including CO_2 , O_2 , N_2 , not exceed atmospheric precipitation .

地表水较之大气降水pH值有所升高，然而阳离子含量高，大量的营养离子流往林外。

Compared with the atmospheric rainfall , the runoff had higher pH value , but it had a lot of exchangeable ions leaching out of forests .

流体属于H2ONaClCO2体系，来自于大气降水。

The fluid was belong to H 2O NaCl CO 2 type system and mainly derived from meteoric water .

对我市1990&1993年大气降水中酸雨pH值进行了预测，结果令人满意。

The model is used to predict acid rain pH value in atmospheric precipitation from 1990 to 1993 in Leshan . It is satisfactory with the testing result .

利用Ku波段卫星通信雨衰探测大气降水的初步研究

Preliminary Study on Detecting Atmospheric Rainfall by Rain Attenuation from Ku-band Satellite Telecommunication System

系统利用GIS的空间特征分析技术，充分考虑地下水、岩土类型、岩层构造、地震、大气降水等复杂工况，对滑坡剖面图空间叠置分析，进行安全系数计算。

System uses the spatial features of GIS technology , takes full account of groundwater , soil types , rock structures , seismic , atmospheric precipitation and other complex conditions , profiles of the landslide spatial overlay analysis , safety factor .

采用D、18O同位素峰值位移法求出研究区大气降水入渗补给量。

The D , 18O isotopes peak displacement method is used to estimate the precipitation infiltration quantity in the study area .

结果表明，桂林岩溶试验场属于表层岩溶作用动力系统，其中的侵蚀动力主要来源于大气降水溶解土壤中的CO2；

The results show that three kinds of karst dynamic system can be distinguished : ( 1 ) the shallow system , such as the Guilin Karst Experimental Site , in which soil CO2 provides the aggressive agent for karst processes ;

在该区采集了一个水文年的大气降水样，并对其中的D和18O组成作了分析；

Precipitation samples of a hydrological year in Beijing plain were collected , and D and18O components of these samples were analyzed .

达索普冰川区夏末降水的pH值（平均值为6.0）和主要离子浓度表明，本区夏末大气降水受人类排放污染物的影响很小，同时降水的电导率较低而且变化较小。

In the late summer , the precipitation chemistry is minimally influenced by anthropogenic pollutants as revealed by precipitation pH ( mean value of 6.0 ) and major ion concentrations in the northern slope of Mt. Xixabangma . Conductivity in precipitation keeps relative low and quite constant .

为研究酸雨硫源，本文对广州地区大气降水、大气SO2和气溶酸、工业用煤和重油及其燃烧产物样品进行了硫同位素组成测定。

In order to study sulfur source of acid rain , the sulfur isotopic composition of precipitated water , atmospheric SO_2 , aerosol , industrial coal and heavy oil , including their burning products in Guangzhou area , were measured .

成矿流体的δ18O值变化于1.15‰～2.70‰之间，属于变质热液与大气降水热液的混合流体。

With the value of δ 18 O ‰ ranging 1.15 ~ 2.70 , the ore_forming fluids is most likely to be hybrid fluid by metamorphic solution and meteoric solution .

结果表明，大气降水的TN浓度变化范围为2.06±0.30（常州）-3.71±0.43（拖山岛），太湖流域大气降水已呈富营养化水质的特征；

Results show that TN concentration of atmospheric wet deposition ranged from 2 . 06 ( Changzhou site ) to 3 . 71 ( Tuoshan Island site ) and atmospheric wet deposition in the valley of Lake Taihu shows eutrophication .

北京西山地区大气降水输入林地的养分66.38kgHM-2，较多的元素是Ca、N。

Nutrient input through precipitation was a main source in Beijing Xishan area and nutrient contents of 66.4 kg hm ~ ( - 2 ) were added , of which Ca ~ ( 2 + ) and N were much more than other nutrient elements .

矿床H-O同位素地球化学特征反映成矿流体主要来源于岩浆，从成矿早阶段向晚阶段演化，大气降水混入不断增加。

H-O isotope geochemical characteristics reflect that the ore-forming fluids come mainly from magma , and atmospheric precipitation increased in the ore-forming fluids from early to late stage .

成矿流体具有富含H2O、SO2-4、Cl-和高K+的特点，是岩浆热液和大气降水的混合流体；

The ore forming fluid is characterized by rich H 2O , SO 2 - 4 , Cl - and K + , so it is the mixture of magmatic water and atomspheric water .

对地下水、海水及大气降水的δD～δ18O方程进行数理分析后表明，大气降水是厦门沿海浅层地下水的主要来源。

The δ D ~δ 18 O relationship of different water were compared by using mathematical statistics methods , which shows that the meteoric water is the main source of shallow groundwater of Xiamen Island .

根据RbSr，UPb和KAr同位素年龄以及氧、铅和硫稳定同位素资料，并结合矿区的地质特征，笔者认为：成矿溶液以大气降水来源为主；

Metallogenic epoch belongs to Late-Caledonian . According to Rb Sr K At and U Pb isotopic dating , and oxygen , lead and sulfur stable isotope data along with the geologic characteristics of the ore deposit it is believed that the oreforming solution was derived dominantly form meteoric water ;

中国北部中高纬度地区大气降水δ18O与地面气温的相关性与中国其他地区不同，前者是正相关，后者是负相关。

The relation between δ 18O in precipitation and surface air temperature for station over mid - and high-latitude regions in China is different from other stations in China . The former is a direct correlation .

为探讨华南珠江三角洲和湘桂走廊及其周边地区的酸沉降硫源，分别对大气降水、大气SO2、气溶胶和工业用煤、重油及其燃烧产物进行了硫同位素组成测定。

In order to study the source of acid deposition in Pearl River Delta , Xiang-Gui Corridor and surrounding areas in South China , the sulfur isotopic composition of precipitation , atmospheric SO2 , aerosol and industrial coal , heavy oil and their burning products were measured .

红松人工林（H-3）、榛子灌丛和云杉幼林地的Zn元素含量都低于大气降水，且红松人工林（H-3）的Zn元素含量最低。

The content of Zn in runoff of Pinus koraiensis plantation ( H-3 ), Corylus cornuta marsh and Picea asperata plantation is lower than rainfall , and the content of Zn in Pinus koraiensis plantation ( H-3 ) is the lowest .

湘桂走廊地区大气降水明显的富集轻硫同位素（32S），而珠江三角洲地区则富集重硫同位素（34S）。

It is indicated that the sulfur isotopic composition of precipitation of Xiang-Gui Corridor is enriched in 32S , however , which of the Pearl River Delta is enriched in 34S .

大气降水、穿透雨、25cm和50cm土壤水中TOC浓度随降水量的增加而规律性递减，树干流和地表径流中TOC浓度与大气降水量之间无明显相关关系；

The TOC concentration in precipitation , throughfall , and soil solution ( 25 and 50 cm depths ) decreased with increasing precipitation , and no significant relationship existed between the TOC concentrations in stemflow , surface runoff and precipitation .

在湖北农村10个地点，利用澳大利亚集雨器自1996年1月至1998年6月，按季度采集大气降水样品测定SO2-4浓度，并对数据进行统计分析。

From January 1996 to June 1998 , using rain collectors made in Australia we gathered rainfall samples from Hubei province where we arranged 10 sites in rural area and analysed the data by statistic methed .

成矿深度处在1500m左右。成矿物质主要来源于泰山岩群地层：成矿流体具多来源性，以岩浆水和大气降水为主，并有少量变质水的参与。

Mineralization depth was about 1500m . Forming materials are mainly from Taishan group , and ore-forming fluid has the characteristics of multiple sources . They are mainly composed of magmatic water and meteoric water , accompanied with a small amount of metamorphic water .