氣象科技英語翻譯練習(xí)參考譯文

1、氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)1nanjing, china, september 2005氣象科技英語翻譯氣象科技英語翻譯氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)2內(nèi)容及安排：內(nèi)容及安排：1 1、怎樣作學(xué)術(shù)論文報(bào)告？、怎樣作學(xué)術(shù)論文報(bào)告？2 2、氣象科技英語的基本詞句。、氣象科技英語的基本詞句。3 3、科技英語表述的各個方面簡介。、科技英語表述的各個方面簡介。4 4、氣象科技英語翻譯練習(xí)。、氣象科技英語翻譯練習(xí)。氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)3華南前汛期降水異常與水汽輸送的關(guān)系華南前汛期降水異常與水汽輸送的關(guān)系摘要摘要:采用采用19582000年華南年華南57站前汛期日降

2、水資料和站前汛期日降水資料和ncepncar逐日水汽輸送再分析資料逐日水汽輸送再分析資料,分析了分析了華南前汛期降水異常與華南前汛期降水異常與水汽輸送的關(guān)系水汽輸送的關(guān)系,并對并對旱、澇年旱、澇年進(jìn)行了比較分析進(jìn)行了比較分析。結(jié)果表明結(jié)果表明:華南華南地區(qū)經(jīng)向水汽輸送的異常變化將地區(qū)經(jīng)向水汽輸送的異常變化將導(dǎo)致導(dǎo)致該地區(qū)的異常旱澇該地區(qū)的異常旱澇,而緯向而緯向水汽輸送的異常變化只水汽輸送的異常變化只導(dǎo)致導(dǎo)致該地區(qū)出現(xiàn)小范圍的降水異常。旱年該地區(qū)出現(xiàn)小范圍的降水異常。旱年和澇年的異常水汽輸送不是簡單的和澇年的異常水汽輸送不是簡單的反位相關(guān)系反位相關(guān)系。來自印度洋和西。來自印度洋和西太平洋的水汽對

3、華南地區(qū)前汛期的降水異常沒有太平洋的水汽對華南地區(qū)前汛期的降水異常沒有明顯的作用明顯的作用,南南海海(主要是其北部主要是其北部)才是華南降水異常的才是華南降水異常的關(guān)鍵區(qū)關(guān)鍵區(qū)。關(guān)鍵詞關(guān)鍵詞:華南前汛期華南前汛期;水汽輸送水汽輸送;降水異常降水異常(1)氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)4an analysis on the relation between the precipitation anomaly of the first flood period in south china and the water vapor transportationabstract: the r

4、elation between the precipitation anomaly of the first flood period in south china and the water vapor transportation is analyzed by using the daily precipitation data of 57 stations in south china and the ncep/ncar reanalysis daily data for water vapor transportation form 1958 to 2000, and the diff

5、erences between the drought year and flood year are studied. the results show that the meridian anomaly of water vapor transportation in south china causes drought or flood of south china, but the longitudinal anomaly only cause local precipitation anomaly, and that the water vapor transportation of

6、 drought years is not out-of-phase with that of flood years, and that the water vapor coming from the indian ocean and the west pacific do not perform an obvious function on the precipitation anomaly of the first flood period in south china, the south china sea (particularly the north of it ) is the

7、 key area leading to the precipitation anomaly of the south china.key words: the first flood period of south china; water vapor transportation; precipitation anomaly華南前汛期降水異常與水汽輸送的關(guān)系華南前汛期降水異常與水汽輸送的關(guān)系摘要摘要:采用采用19582000年華南年華南57站前汛期日降水資料和站前汛期日降水資料和ncepncar逐日水汽輸送再分析資料逐日水汽輸送再分析資料,分析了華南前汛期降水異常與水分析了華南前汛期降水異

8、常與水汽輸送的關(guān)系汽輸送的關(guān)系,并對旱、澇年進(jìn)行了比較分析。結(jié)果表明并對旱、澇年進(jìn)行了比較分析。結(jié)果表明:華南地區(qū)經(jīng)向水汽輸送的異常變化將導(dǎo)致該地區(qū)的異常旱澇華南地區(qū)經(jīng)向水汽輸送的異常變化將導(dǎo)致該地區(qū)的異常旱澇,而緯向水汽而緯向水汽輸送的異常變化只導(dǎo)致該地區(qū)出現(xiàn)小范圍的降水異常。旱年和澇年的異常水汽輸送不是簡單的反位相關(guān)系。來自印度洋和西太平輸送的異常變化只導(dǎo)致該地區(qū)出現(xiàn)小范圍的降水異常。旱年和澇年的異常水汽輸送不是簡單的反位相關(guān)系。來自印度洋和西太平洋的水汽對華南地區(qū)前汛期的降水異常沒有明顯的作用洋的水汽對華南地區(qū)前汛期的降水異常沒有明顯的作用,南海南海(主要是其北部主要是其北部)才是華南降

9、水異常的關(guān)鍵區(qū)。才是華南降水異常的關(guān)鍵區(qū)。關(guān)鍵詞關(guān)鍵詞:華南前汛期華南前汛期;水汽輸送水汽輸送;降水異常降水異常(1)氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)5relation between precipitation anomalies and water vapor transportations during the first flood period in south china abstract: the relationship between the precipitation anomaly and water vapor transportation of the fir

10、st flood period in south china as well as their comparative features between the drought year and flood year is investigated on the basis of the 57 station daily precipitations in south china and the ncepncar reanalysis daily data for water vapor transportation form 1958 to 2000. results show that t

11、he anomalies of meridianal water vapor transportation in south china is responsible for the widespread drought or flood over that region, while the zonal transport changes only cause precipitation anomalies in a smaller or local areas, and that the water vapor transportation feature in drought years

12、 is not simply just an out-of-phase contrast to that of flood years. evidence further suggests that it is not the water vapor coming from the indian and western pacific oceans, but that from the key area of south china sea, particularly its north part, that plays an critical role in causing the prec

13、ipitation anomalies during the first flood period in south china.key words: the first flood period of south china; water vapor transportation; precipitation anomaly華南前汛期降水異常與水汽輸送的關(guān)系華南前汛期降水異常與水汽輸送的關(guān)系摘要摘要:采用采用19582000年華南年華南57站前汛期日降水資料和站前汛期日降水資料和ncepncar逐日水汽輸送再分析資料逐日水汽輸送再分析資料,分析了華南前汛期降水異常與水分析了華南前汛期降水異常

14、與水汽輸送的關(guān)系汽輸送的關(guān)系,并對旱、澇年進(jìn)行了比較分析。結(jié)果表明并對旱、澇年進(jìn)行了比較分析。結(jié)果表明:華南地區(qū)經(jīng)向水汽輸送的異常變化將導(dǎo)致該地區(qū)的異常旱澇華南地區(qū)經(jīng)向水汽輸送的異常變化將導(dǎo)致該地區(qū)的異常旱澇,而緯向水汽而緯向水汽輸送的異常變化只導(dǎo)致該地區(qū)出現(xiàn)小范圍的降水異常。旱年和澇年的異常水汽輸送不是簡單的反位相關(guān)系。來自印度洋和西太平輸送的異常變化只導(dǎo)致該地區(qū)出現(xiàn)小范圍的降水異常。旱年和澇年的異常水汽輸送不是簡單的反位相關(guān)系。來自印度洋和西太平洋的水汽對華南地區(qū)前汛期的降水異常沒有明顯的作用洋的水汽對華南地區(qū)前汛期的降水異常沒有明顯的作用,南海南海(主要是其北部主要是其北部)才是華南降水

15、異常的關(guān)鍵區(qū)。才是華南降水異常的關(guān)鍵區(qū)。關(guān)鍵詞關(guān)鍵詞:華南前汛期華南前汛期;水汽輸送水汽輸送;降水異常降水異常(1)氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)6天氣雷達(dá)定量估測降水量不同方法效果評估天氣雷達(dá)定量估測降水量不同方法效果評估摘要摘要:將黃河淮河洪水暴雨監(jiān)測預(yù)報(bào)系統(tǒng)降水估測模式得出的規(guī)將黃河淮河洪水暴雨監(jiān)測預(yù)報(bào)系統(tǒng)降水估測模式得出的規(guī)則網(wǎng)格點(diǎn)上的降水與雨量計(jì)實(shí)測值進(jìn)行比較則網(wǎng)格點(diǎn)上的降水與雨量計(jì)實(shí)測值進(jìn)行比較,結(jié)果表明結(jié)果表明:將地面將地面雨量計(jì)值作為真值雨量計(jì)值作為真值,則聯(lián)合校準(zhǔn)法和最優(yōu)插值校準(zhǔn)法得出的降水則聯(lián)合校準(zhǔn)法和最優(yōu)插值校準(zhǔn)法得出的降水量計(jì)算精度最高量計(jì)算精度最高,變分法得

16、到的結(jié)果不是很理想變分法得到的結(jié)果不是很理想,卡爾曼濾波校準(zhǔn)卡爾曼濾波校準(zhǔn)法和平均校準(zhǔn)法的計(jì)算精度低于聯(lián)合校準(zhǔn)法和最優(yōu)插值校準(zhǔn)法和平均校準(zhǔn)法的計(jì)算精度低于聯(lián)合校準(zhǔn)法和最優(yōu)插值校準(zhǔn)法法,z-i關(guān)系法的精度最低。關(guān)系法的精度最低。關(guān)鍵詞關(guān)鍵詞:天氣雷達(dá)天氣雷達(dá);區(qū)域降水區(qū)域降水;方法評估方法評估(2)氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)7evaluation of the precision of weather radar rainfall estimation algorithmsabstract：precipitation on ordered grid point which is o

17、btained from the radar estimating precipitation model (rep) of huang river and huaihe river is compared with in situ data of a rain-gage network. the results show that if we take the value of ground rain-gage as real value, then the method of optimal interpolation and joint adjusting method have the

18、 lowest root mean square errors, while the results of variational method are not very well due to parameter choosing. the calculating precision of kalman filter method and average method are lower than joint adjusting method and optimal interpolation method. the method of z- i has the highest root m

19、ean square errors.keywords: weather radar, regional precipitation, evaluation methods天氣雷達(dá)定量估測降水量不同方法效果評估天氣雷達(dá)定量估測降水量不同方法效果評估摘要摘要:將黃河淮河洪水暴雨監(jiān)測預(yù)報(bào)系統(tǒng)降水估測模式得出的規(guī)則網(wǎng)格點(diǎn)上的降水與雨量計(jì)實(shí)測值進(jìn)行比較將黃河淮河洪水暴雨監(jiān)測預(yù)報(bào)系統(tǒng)降水估測模式得出的規(guī)則網(wǎng)格點(diǎn)上的降水與雨量計(jì)實(shí)測值進(jìn)行比較,結(jié)果表明結(jié)果表明:將地面雨將地面雨量計(jì)值作為真值量計(jì)值作為真值,則聯(lián)合校準(zhǔn)法和最優(yōu)插值校準(zhǔn)法得出的降水量計(jì)算精度最高則聯(lián)合校準(zhǔn)法和最優(yōu)插值校準(zhǔn)法得出的降水量計(jì)算精度最

20、高,變分法得到的結(jié)果不是很理想變分法得到的結(jié)果不是很理想,卡爾曼濾波校準(zhǔn)法卡爾曼濾波校準(zhǔn)法和平均校準(zhǔn)法的計(jì)算精度低于聯(lián)合校準(zhǔn)法和最優(yōu)插值校準(zhǔn)法和平均校準(zhǔn)法的計(jì)算精度低于聯(lián)合校準(zhǔn)法和最優(yōu)插值校準(zhǔn)法,z-i關(guān)系法的精度最低。關(guān)系法的精度最低。關(guān)鍵詞關(guān)鍵詞:天氣雷達(dá)天氣雷達(dá);區(qū)域降水區(qū)域降水;方法評估方法評估(2)氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)8evaluation of the precision ofweather radar rainfall estimationsabstract: calculating precision comparison is conducted of t

21、he ordered grid point rainfall based on the radar estimating precipitation model (rep) for monitoring and predicting the torrential rainfall over the huanghe and huaihe rivers to the in situ raingauge network precipitation. results show that if the ground raingauge value is taken as real, then the r

22、oot mean square errors in the model is least for the optimal interpolation and joint calibration methods, much larger for the kalman filter and average methods and largest for the z-i method, while the results of variational method are not good enough to evaluate due to the parameter choosing. key w

23、ords: weather radar; regional precipitation; evaluation of methods天氣雷達(dá)定量估測降水量不同方法效果評估天氣雷達(dá)定量估測降水量不同方法效果評估摘要摘要:將黃河淮河洪水暴雨監(jiān)測預(yù)報(bào)系統(tǒng)降水估測模式得出的規(guī)則網(wǎng)格點(diǎn)上的降水與雨量計(jì)實(shí)測值進(jìn)行比較將黃河淮河洪水暴雨監(jiān)測預(yù)報(bào)系統(tǒng)降水估測模式得出的規(guī)則網(wǎng)格點(diǎn)上的降水與雨量計(jì)實(shí)測值進(jìn)行比較,結(jié)果表明結(jié)果表明:將地面雨將地面雨量計(jì)值作為真值量計(jì)值作為真值,則聯(lián)合校準(zhǔn)法和最優(yōu)插值校準(zhǔn)法得出的降水量計(jì)算精度最高則聯(lián)合校準(zhǔn)法和最優(yōu)插值校準(zhǔn)法得出的降水量計(jì)算精度最高,變分法得到的結(jié)果不是很理想變分法得

24、到的結(jié)果不是很理想,卡爾曼濾波校準(zhǔn)法卡爾曼濾波校準(zhǔn)法和平均校準(zhǔn)法的計(jì)算精度低于聯(lián)合校準(zhǔn)法和最優(yōu)插值校準(zhǔn)法和平均校準(zhǔn)法的計(jì)算精度低于聯(lián)合校準(zhǔn)法和最優(yōu)插值校準(zhǔn)法,z-i關(guān)系法的精度最低。關(guān)系法的精度最低。關(guān)鍵詞關(guān)鍵詞:天氣雷達(dá)天氣雷達(dá);區(qū)域降水區(qū)域降水;方法評估方法評估(2)氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)9(3)uv-b增強(qiáng)對冬小麥和菠菜影響的對比試驗(yàn)增強(qiáng)對冬小麥和菠菜影響的對比試驗(yàn)摘要摘要:通過大田試驗(yàn)對比研究了紫外輻射通過大田試驗(yàn)對比研究了紫外輻射uv-b增強(qiáng)對冬小麥和增強(qiáng)對冬小麥和圓葉菠菜株高、葉面積指數(shù)、干物質(zhì)累積量的影響以及葉綠圓葉菠菜株高、葉面積指數(shù)、干物質(zhì)累積量的影響以及葉

25、綠素和類黃酮的變化。結(jié)果表明素和類黃酮的變化。結(jié)果表明:紫外輻射紫外輻射uv-b增強(qiáng)對冬小麥和增強(qiáng)對冬小麥和圓葉菠菜株高、葉面積指數(shù)、干物質(zhì)累積有著明顯的抑制作圓葉菠菜株高、葉面積指數(shù)、干物質(zhì)累積有著明顯的抑制作用用,同時還使葉綠素含量下降同時還使葉綠素含量下降,類黃酮含量增加。對比可以看類黃酮含量增加。對比可以看出出,uv-b輻射對小麥株高、葉面積、干物質(zhì)積累以及葉綠素和輻射對小麥株高、葉面積、干物質(zhì)積累以及葉綠素和類黃酮含量的影響小于對菠菜的影響。類黃酮含量的影響小于對菠菜的影響。關(guān)鍵詞關(guān)鍵詞:uv-b輻射輻射;小麥小麥;菠菜菠菜;對比試驗(yàn)對比試驗(yàn)氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)1

26、0comparison of the effects of enhanced uv-b radiation on wheat and spinachabstract： the influences of the intensified ultraviolet radiation (uv-b radiation , 280320nm ) on wheat and spinach are compared and analyzed in the present article. the results indicate that the enhanced uv-b tends to restric

27、t the growth of wheat and spinach, shorter their height and smaller leaf area as well as the decreased dry substance accumulation and chlorophyll content while increase their flavonoid content. in addition, the experiment shows that the influence of spinach is more than wheat. key words：uv-b radiati

28、on；wheat；spinach；contrast testuv-b增強(qiáng)對冬小麥和菠菜影響的對比試驗(yàn)增強(qiáng)對冬小麥和菠菜影響的對比試驗(yàn)摘要摘要:通過大田試驗(yàn)對比通過大田試驗(yàn)對比研究了紫外輻射研究了紫外輻射uv-b增強(qiáng)對冬小麥和增強(qiáng)對冬小麥和圓葉圓葉菠菜株高、葉面積指數(shù)、干物質(zhì)累積菠菜株高、葉面積指數(shù)、干物質(zhì)累積量的影響以及葉綠素和類黃酮的變化。結(jié)果表明量的影響以及葉綠素和類黃酮的變化。結(jié)果表明:紫外輻射紫外輻射uv-b增強(qiáng)對冬小麥和圓葉菠菜株高、葉面積增強(qiáng)對冬小麥和圓葉菠菜株高、葉面積指數(shù)、干物質(zhì)累積有著明顯的抑制作用指數(shù)、干物質(zhì)累積有著明顯的抑制作用,同時還使葉綠素含量下降同時還使葉綠素含量下

29、降,類黃酮含量增加。對比可以看出類黃酮含量增加。對比可以看出,uv-b輻射對小麥株高、葉面積、干物質(zhì)積累以及葉綠素和類黃酮含量的影響小于對菠菜的影響。輻射對小麥株高、葉面積、干物質(zhì)積累以及葉綠素和類黃酮含量的影響小于對菠菜的影響。關(guān)鍵詞關(guān)鍵詞:uv-b輻射輻射;小麥小麥;菠菜菠菜;對比試驗(yàn)對比試驗(yàn)(3)氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)11contrast experiments of enhanceduv-b radiation effects on wheat and spinachabstract: on the basis of field experiments compari

30、son is conducted for the influences of enhanced ultraviolet radiation (uv-b radiation, 280320nm) on the varied growth parameters of wheat and spinach. results indicate that the enhanced uv-b tends to suppress the plants heights and dry matter accumulations, to reduce the chlorophyll contents and lea

31、f areas, and to raise the flavonoid contents. in addition, the enhanced uv-b seems to exerts more impacts on spinach than on wheat.key words: uv-b radiation; wheat; spinach; contrast experimentuv-b增強(qiáng)對冬小麥和菠菜影響的對比試驗(yàn)增強(qiáng)對冬小麥和菠菜影響的對比試驗(yàn)摘要摘要:通過大田試驗(yàn)對比通過大田試驗(yàn)對比研究了紫外輻射研究了紫外輻射uv-b增強(qiáng)對冬小麥和增強(qiáng)對冬小麥和圓葉圓葉菠菜株高、葉面積指數(shù)、干物質(zhì)

32、累積量的影菠菜株高、葉面積指數(shù)、干物質(zhì)累積量的影響以及葉綠素和類黃酮的變化。結(jié)果表明響以及葉綠素和類黃酮的變化。結(jié)果表明:紫外輻射紫外輻射uv-b增強(qiáng)對冬小麥和圓葉菠菜株高、葉面積指數(shù)、干物質(zhì)增強(qiáng)對冬小麥和圓葉菠菜株高、葉面積指數(shù)、干物質(zhì)累積有著明顯的抑制作用累積有著明顯的抑制作用,同時還使葉綠素含量下降同時還使葉綠素含量下降,類黃酮含量增加。對比可以看出類黃酮含量增加。對比可以看出,uv-b輻射對小麥株高、輻射對小麥株高、葉面積、干物質(zhì)積累以及葉綠素和類黃酮含量的影響小于對菠菜的影響。葉面積、干物質(zhì)積累以及葉綠素和類黃酮含量的影響小于對菠菜的影響。關(guān)鍵詞關(guān)鍵詞:uv-b輻射輻射;小麥小麥;菠

33、菜菠菜;對比試驗(yàn)對比試驗(yàn)(3)氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)12南寧市酸雨特征及來源分析南寧市酸雨特征及來源分析摘要摘要:通過對酸雨觀測資料和污染源資料的統(tǒng)計(jì)分析通過對酸雨觀測資料和污染源資料的統(tǒng)計(jì)分析,并利用拉格并利用拉格朗日煙團(tuán)模式計(jì)算表明朗日煙團(tuán)模式計(jì)算表明,南寧市酸雨的頻率較高南寧市酸雨的頻率較高,ph值較小值較小;南寧南寧市酸雨的來源構(gòu)成以外來源為主。運(yùn)用天氣學(xué)診斷方法市酸雨的來源構(gòu)成以外來源為主。運(yùn)用天氣學(xué)診斷方法,對氣象對氣象要素影響酸雨來源進(jìn)行了分析要素影響酸雨來源進(jìn)行了分析,結(jié)果表明結(jié)果表明,南寧市酸雨主要受東北南寧市酸雨主要受東北方污染源影響方污染源影響,且冬春兩

34、季的影響最大且冬春兩季的影響最大,風(fēng)頻及逆溫對酸雨的影響風(fēng)頻及逆溫對酸雨的影響較大。在上述分析的基礎(chǔ)上較大。在上述分析的基礎(chǔ)上,總結(jié)出近兩年大氣環(huán)流影響酸雨的總結(jié)出近兩年大氣環(huán)流影響酸雨的幾種類型幾種類型,其中以高空槽鋒面型為最多其中以高空槽鋒面型為最多,酸雨影響程度也最嚴(yán)重。酸雨影響程度也最嚴(yán)重。關(guān)鍵詞關(guān)鍵詞:酸雨酸雨;污染來源污染來源;特征分析特征分析(4)氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)13analysis on the characteristics and originationof acid rain in nanning cityabstract: the frequen

35、cy of nanning acid rain was quiet high and the value of ph was low with the analysis of observation acid rain data in this paper; pollution source of nanning acid rain was mainly due to the external pollution source according the statistic analysis of pollution source data and the acid deposition mo

36、del; as for meteorological factors, the cause of acid rain by employing synoptic diagnosis, was mainly affected by the northeast pollution source, especially in winter and spring. the wind frequency and temperature inversion were major cause of acid rain as well. based on above analysis, we conclude

37、d several types of circulation that affecting acid rain,the aloft through-cold front is the main type.key words: acid rain ; pollution source; characteristics analysis南寧市酸雨特征及來源分析南寧市酸雨特征及來源分析摘要摘要:通過對酸雨觀測資料和污染源資料的統(tǒng)計(jì)分析通過對酸雨觀測資料和污染源資料的統(tǒng)計(jì)分析,并利用拉格朗日煙團(tuán)模式計(jì)算表明并利用拉格朗日煙團(tuán)模式計(jì)算表明,南寧市酸雨的頻率較高南寧市酸雨的頻率較高,ph值較小值較小;南寧

38、市南寧市酸雨的來源構(gòu)成以外來源為主。運(yùn)用天氣學(xué)診斷方法酸雨的來源構(gòu)成以外來源為主。運(yùn)用天氣學(xué)診斷方法,對氣象要素影響酸雨來源進(jìn)行了分析對氣象要素影響酸雨來源進(jìn)行了分析,結(jié)果表明結(jié)果表明,南寧市酸雨主要受東北方污南寧市酸雨主要受東北方污染源影響染源影響,且冬春兩季的影響最大且冬春兩季的影響最大,風(fēng)頻及逆溫對酸雨的影響較大。在上述分析的基礎(chǔ)上風(fēng)頻及逆溫對酸雨的影響較大。在上述分析的基礎(chǔ)上,總結(jié)出近兩年大氣環(huán)流影響酸雨的幾種類總結(jié)出近兩年大氣環(huán)流影響酸雨的幾種類型型,其中以高空槽鋒面型為最多其中以高空槽鋒面型為最多,酸雨影響程度也最嚴(yán)重。酸雨影響程度也最嚴(yán)重。關(guān)鍵詞關(guān)鍵詞:酸雨酸雨;污染來源污染來源

39、;特征分析特征分析(4)氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)14characteristics and origin of the acid rain in nanning cityabstract: the statistical analysis and simulations of the acid rain in nanning are conducted in terms of the observations as well as a lagrange plume model. evidence suggests that the acid rain in nanning, m

40、ost resulting from the external pollution sources, shows a low ph value and much high occurrence frequency. the synoptic diagnoses further indicate that the nannings acid rain is mainly affected by the northeast pollution source, especially in winter and spring seasons, and two meteorological elemen

41、ts that also exert much influence are the wind frequency and temperature inversion. based on above analyses, several types of circulations are classified in the end, among which, the upper trough cold front type is the dominant one that most account for the occurrence and severity of the acid rain i

42、n nanning . key words: acid rain; pollution source; characteristics analysis南寧市酸雨特征及來源分析南寧市酸雨特征及來源分析摘要摘要:通過通過對酸雨觀測資料和污染源資料的對酸雨觀測資料和污染源資料的統(tǒng)計(jì)分析統(tǒng)計(jì)分析,并利用拉格朗日煙團(tuán)模式計(jì)算表明并利用拉格朗日煙團(tuán)模式計(jì)算表明,南寧市酸雨的頻率較南寧市酸雨的頻率較高高,ph值較小值較小;南寧市酸雨的來源構(gòu)成以外來源為主。運(yùn)用天氣學(xué)診斷方法南寧市酸雨的來源構(gòu)成以外來源為主。運(yùn)用天氣學(xué)診斷方法,對氣象要素影響酸雨來源進(jìn)行了分對氣象要素影響酸雨來源進(jìn)行了分析析,結(jié)果表明結(jié)果表

43、明,南寧市酸雨主要受東北方污染源影響南寧市酸雨主要受東北方污染源影響,且冬春兩季的影響最大且冬春兩季的影響最大,風(fēng)頻及風(fēng)頻及逆溫逆溫對酸雨的影響較大。在對酸雨的影響較大。在上述分析的基礎(chǔ)上上述分析的基礎(chǔ)上,總結(jié)出近兩年大氣環(huán)流影響酸雨的幾種類型總結(jié)出近兩年大氣環(huán)流影響酸雨的幾種類型,其中以高空槽鋒面型為最多其中以高空槽鋒面型為最多,酸雨酸雨影響程度也最影響程度也最嚴(yán)重嚴(yán)重。關(guān)鍵詞關(guān)鍵詞:酸雨酸雨;污染來源污染來源;特征分析特征分析(4)氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)15一次強(qiáng)暴雨形成的動力機(jī)制一次強(qiáng)暴雨形成的動力機(jī)制摘要摘要:分析了分析了1998年年7月武漢強(qiáng)暴雨的天氣演變特征月武漢

44、強(qiáng)暴雨的天氣演變特征,并從理論并從理論上初步探討了強(qiáng)暴雨形成的動力機(jī)制。結(jié)果表明上初步探討了強(qiáng)暴雨形成的動力機(jī)制。結(jié)果表明:低空急流先于低空急流先于暴雨生成暴雨生成,暴雨最強(qiáng)時低空急流也最強(qiáng)暴雨最強(qiáng)時低空急流也最強(qiáng);高空急流入口區(qū)右側(cè)及高空急流入口區(qū)右側(cè)及低空急流左側(cè)非熱成風(fēng)梯度的存在低空急流左側(cè)非熱成風(fēng)梯度的存在,使得中尺度不穩(wěn)定波的波振使得中尺度不穩(wěn)定波的波振幅出現(xiàn)空間不穩(wěn)定現(xiàn)象幅出現(xiàn)空間不穩(wěn)定現(xiàn)象,高空急流右側(cè)不穩(wěn)定波的波振幅和低空高空急流右側(cè)不穩(wěn)定波的波振幅和低空急流左側(cè)不穩(wěn)定波的波振幅向暴雨區(qū)增加急流左側(cè)不穩(wěn)定波的波振幅向暴雨區(qū)增加,暴雨區(qū)恰為這兩支波暴雨區(qū)恰為這兩支波疊加后振幅最大

45、的區(qū)域疊加后振幅最大的區(qū)域,高低空急流耦合下的非熱成風(fēng)、中尺度高低空急流耦合下的非熱成風(fēng)、中尺度對流對流對稱不穩(wěn)定可能是這類強(qiáng)暴雨產(chǎn)生的動力原因之一。對稱不穩(wěn)定可能是這類強(qiáng)暴雨產(chǎn)生的動力原因之一。關(guān)鍵詞關(guān)鍵詞:強(qiáng)暴雨強(qiáng)暴雨;非地轉(zhuǎn)風(fēng)非地轉(zhuǎn)風(fēng);非熱成風(fēng)非熱成風(fēng);暴雨增幅暴雨增幅(5)氣象科技英語翻譯練習(xí)氣象科技英語翻譯練習(xí)16dynamic analysis on formation of torrential rain abstract: the paper analyses the weather developing characteristic of torrential rain in

46、 wuhan, and discusses the dynamic mechanism of the torrential rain theoretically. the results show that the low-level jet (llj) occurs before the torrential rain. when the torrential rain is the strongest, llj is also the strongest. the existence of non-thermal wind gradients, which are in the right

47、 side of entrance region of upper level jet (ulj) and the left of llj, makes the amplitude of mesoscale instability waves appear spatial instability. when instability waves in the right of ulj and in the left of llj move to the region of the torrential rain, their amplitude is becoming bigger. whats

48、 more, after superposing of two waves, the amplitude in the region of the torrential rain is the biggest one. under non-thermal wind of coupling of upper and low level, mesoscale convection symmetric instability must have been one of dynamic mechanism of producing torrential rain.key words: torrenti

49、al rain; ageostrophic; non-thermal wind; heavy rain increasing amplitude一次強(qiáng)暴雨形成的動力機(jī)制一次強(qiáng)暴雨形成的動力機(jī)制摘要摘要:分析了分析了1998年年7月武漢強(qiáng)暴雨的天氣演變特征月武漢強(qiáng)暴雨的天氣演變特征,并從理論上初步探討了強(qiáng)暴雨形成的動力機(jī)制。結(jié)果表明并從理論上初步探討了強(qiáng)暴雨形成的動力機(jī)制。結(jié)果表明:低空急流低空急流先于先于暴暴雨生成雨生成,暴雨最強(qiáng)時低空急流也最強(qiáng)暴雨最強(qiáng)時低空急流也最強(qiáng);高空急流高空急流入口區(qū)右側(cè)入口區(qū)右側(cè)及低空急流左側(cè)非熱成風(fēng)梯度的存在及低空急流左側(cè)非熱成風(fēng)梯度的存在,使得中尺度不穩(wěn)定波的波振幅使得中尺度不穩(wěn)定波的波振幅出現(xiàn)空間不穩(wěn)定現(xiàn)象出現(xiàn)空間不穩(wěn)定現(xiàn)象,高空急流右側(cè)不穩(wěn)定波的波振幅和低空急流左側(cè)不穩(wěn)定波的波振幅向暴雨區(qū)增加高空急流右側(cè)不穩(wěn)定波的波振幅和低空急流左側(cè)不穩(wěn)定波的波振幅向暴雨區(qū)增加,暴雨區(qū)暴雨區(qū)恰為恰為這兩支波這兩支波疊