期刊文献+
共找到35,513篇文章
< 1 2 250 >
每页显示 20 50 100
Comparison and Contrast of Major English Romantic Poets——On Wordsworth,Byron,Shelley and Keats
1
作者 郭勇丽 张书慧 《阴山学刊》 2009年第6期75-80,共6页
华兹华斯、拜伦、雪莱和济慈是杰出的英国浪漫主义诗人。作为同一个文学流派的诗人,他们都崇尚自然,强调个性解放,并且具有丰富的想象力与非凡的创造力。然而,除了这些公认的共同点之外,更重要的是,他们的诗作在主题、题材、艺术手法等... 华兹华斯、拜伦、雪莱和济慈是杰出的英国浪漫主义诗人。作为同一个文学流派的诗人,他们都崇尚自然,强调个性解放,并且具有丰富的想象力与非凡的创造力。然而,除了这些公认的共同点之外,更重要的是,他们的诗作在主题、题材、艺术手法等方面体现出诸多不同之处。正是这些反映他们个性特点的不同之处使得他们在英国及世界文学史上更加卓而不群。 展开更多
关键词 英国浪漫主义诗人 自然 个人主义 想象力 象征
下载PDF
A Rhetorical Analysis of the Film Dead Poets Society
2
作者 罗春燕 《海外英语》 2014年第4X期174-175,共2页
The movie Dead Poets Society is a blockbuster and attracts different researches from different perspective, such as the image and personality of characters, or the linguistic features. However, few of the researchers ... The movie Dead Poets Society is a blockbuster and attracts different researches from different perspective, such as the image and personality of characters, or the linguistic features. However, few of the researchers conduct this study by using rhetorics. Thus, this study analyze the movie based on the theories of rhetorics, hoping to give some implications to those who are interested in rhetorical analysis. 展开更多
关键词 MOVIE DEAD poets SOCIETY RHETORICAL ANALYSIS
下载PDF
“The Poetics”as Apology for Poetry and Poets
3
作者 程相利 《海外英语》 2013年第1X期222-223,共2页
Plato and Aristotle are both great philosophers in Greek,and Plato is the teacher of Aristotle.But their attitudes to the philosophy and art are quite different from each other.In Plato's point of view,all poets s... Plato and Aristotle are both great philosophers in Greek,and Plato is the teacher of Aristotle.But their attitudes to the philosophy and art are quite different from each other.In Plato's point of view,all poets should be rebelled out of his republic as they will lead the ordinary people to a wrong way;but to Aristotle,poets and the poetry they write should be admired because they will make good effects on the people and the society.This paper is going to discuss about their different attitudes to the so cial function of the poetry in three aspects:the content and the effect of the poetry;the nature of poetry. 展开更多
关键词 PLATO ARISTOTLE poetRY poet
下载PDF
A Brief Survey of the Metaphysical Poets
4
作者 陈春红 《海外英语》 2010年第1X期99-99,共1页
The article focuses on the brief study of the metaphysical poets,who were men of learning,and to show learning was their whole endeavor. The chief metaphysical poets include John Donne,Richard Crashaw,Andrew Marvell,G... The article focuses on the brief study of the metaphysical poets,who were men of learning,and to show learning was their whole endeavor. The chief metaphysical poets include John Donne,Richard Crashaw,Andrew Marvell,George Herbert,and Henry Vaughan. They preferred wildly original images,puns,similes,and metaphors,which collectively are called metaphysical conceits. The term metaphysical implies the poetry is abstract and highly complicated. The group shares certain traits,but their themes,structures,and assorted tones in their poetry vary widely. 展开更多
关键词 METAPHYSICAL poets john donne METAPHYSICAL CONCEITS
下载PDF
Late Triassic Intracontinental Deformation of South Tianshan,Central Asia:Evidence from Syn-tectonic Sedimentation and Detrital Zircon Provenances of the Kuqa Depression 被引量:1
5
作者 QIN Xiang CHEN Xuanhua +7 位作者 SHAO Zhaogang ZHANG Yiping WANG Yongchao LI Bing SU He WANG Ye LIU Kui HAN Lele 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2024年第3期548-568,共21页
The Tianshan range,a Paleozoic orogenic belt in Central Asia,has undergone multiple phases of tectonic activities characterized by the N-S compression after the early Mesozoic,including the far-field effects of the Ce... The Tianshan range,a Paleozoic orogenic belt in Central Asia,has undergone multiple phases of tectonic activities characterized by the N-S compression after the early Mesozoic,including the far-field effects of the Cenozoic Indian-Asian collision.However,there are limited reports on the tectonic deformation and initiation of Triassic intracontinental deformation in the Tianshan range.Understanding this structural context is crucial for interpreting the early intracontinental deformation history of the Eurasian continent during the early Mesozoic.Growth strata and syn-tectonic sediments provide a rich source of information on tectonic activities and have been extensively used in the studies of orogenic belts.Based on detail fieldwork conducted in this study,the middle-late Triassic Kelamayi Formation of the northern Kuqa Depression in the southern Tianshan fold-thrust belt has been identified as the typical syn-tectonic growth strata.The youngest detrital zircon component in two lithic sandstone samples from the bottom and top of the Kelamayi growth strata yielded U-Pb ages of 223.4±3.1 and 215.5±2.9 Ma,respectively,indicating that the maximum depositional age of the bottom and top of the Kelamayi growth strata is 226-220 and 218-212 Ma.The geochronological distribution of detrital samples from the Early-Middle Triassic and Late Triassic revealed abrupt changes,suggesting a new source supply resulting from tectonic activation in the Tianshan range.The coupling relationship between the syn-tectonic sedimentation of the Kelamayi Formation and the South Tianshan fold-thrust system provides robust evidence that the Triassic intracontinental deformation of the South Tianshan range began at approximately 226-220 Ma(during the Late Triassic)and ended at approximately 218-212 Ma.These findings provide crucial constraints for understanding the intraplate deformation in the Tianshan range during the Triassic. 展开更多
关键词 growth strata basin-mountain coupling TRIASSIC Indosinian event Kuqa Depression south Tianshan
下载PDF
Impacts of Future Changes in Heavy Precipitation and Extreme Drought on the Economy over South China and Indochina 被引量:1
6
作者 Bin TANG Wenting HU +4 位作者 Anmin DUAN Yimin LIU Wen BAO Yue XIN Xianyi YANG 《Advances in Atmospheric Sciences》 SCIE CAS CSCD 2024年第6期1184-1200,I0022-I0034,共30页
Heavy precipitation and extreme drought have caused severe economic losses over South China and Indochina(INCSC)in recent decades.Given the areas with large gross domestic product(GDP)in the INCSC region are distribut... Heavy precipitation and extreme drought have caused severe economic losses over South China and Indochina(INCSC)in recent decades.Given the areas with large gross domestic product(GDP)in the INCSC region are distributed along the coastline and greatly affected by global warming,understanding the possible economic impacts induced by future changes in the maximum consecutive 5-day precipitation(RX5day)and the maximum consecutive dry days(CDD)is critical for adaptation planning in this region.Based on the latest data released by phase 6 of the Coupled Model Intercomparison Project(CMIP6),future projections of precipitation extremes with bias correction and their impacts on GDP over the INCSC region under the fossil-fueled development Shared Socioeconomic Pathway(SSP5-8.5)are investigated.Results indicate that RX5day will intensify robustly throughout the INCSC region,while CDD will lengthen in most regions under global warming.The changes in climate consistently dominate the effect on GDP over the INCSC region,rather than the change of GDP.If only considering the effect of climate change on GDP,the changes in precipitation extremes bring a larger impact on the economy in the future to the provinces of Hunan,Jiangxi,Fujian,Guangdong,and Hainan in South China,as well as the Malay Peninsula and southern Cambodia in Indochina.Thus,timely regional adaptation strategies are urgent for these regions.Moreover,from the sub-regional average viewpoint,over two thirds of CMIP6 models agree that maintaining a lower global warming level will reduce the economic impacts from heavy precipitation over the INCSC region. 展开更多
关键词 CMIP6 heavy precipitation extreme drought south China INDOCHINA economic impact
下载PDF
Poets and Rhymesters as Cultural Heroes in the Jewish Society of the Mediterranean Basin During the Middle Ages
7
作者 Elinoar Bareket 《Journal of Philosophy Study》 2018年第9期416-421,共6页
This research aims to check the assumption that the cultural icons of Jewish communities in Islamic countries,in the Mediterranean Basin during the early Middle-Ages,were Jewish poets,or at least rhyming experts and p... This research aims to check the assumption that the cultural icons of Jewish communities in Islamic countries,in the Mediterranean Basin during the early Middle-Ages,were Jewish poets,or at least rhyming experts and poetry“technicians”.Through vast study of Genizah documents,in the purpose of outlining the shape of the leadership of Jewish communities in these Islamic countries,I realized that all leaders whose portraits I have studied,out of hundreds of letters and documents—were poem writers.Some of them were real poets,who created poems and liturgics of rare poetic qualities,and some were mere“technicians”who joined rhymes according to accepted rules of their time.By looking at those“technicians”poems,it seems that the writing has cost them a considerable mental effort,and yet they continued with the poem writing.The assumption is that in order to become a role model or a cultural hero,as we call it today,the leaders had to write poems and use them as a means for political and social advancement. 展开更多
关键词 CULTURAL icons Jewish poets Genizah
下载PDF
18th-century British Women Poets’ Patriotic Voices
8
作者 CHEN Jin-jin 《Journal of Literature and Art Studies》 2018年第12期1619-1634,共16页
Right from the beginning to the end of the 18th-century,a large number of British women poets stepped out as outright and eloquent patriots.Through celebration,persuasion,and protest with their poems,18th-century Brit... Right from the beginning to the end of the 18th-century,a large number of British women poets stepped out as outright and eloquent patriots.Through celebration,persuasion,and protest with their poems,18th-century British women poets voiced out their patriotism,especially in their promotion of the British national identity by building up national confidence,constructing national ideals,and bringing the national ideals closer together with the actual practices during national crises in the War of American Independence,anti-slavery activism,and the French Revolution.The majority of their patriotic poems got published in the 18th-century.Their patriotic voices,especially those of their vigorous construction of the British national identity,have been largely neglected and therefore should be fully acknowledged since that identity they helped to promote remains a key issue for the British even today. 展开更多
关键词 18th-century BRITISH WOMEN poets patriotic VOICES BRITISH NATIONAL IDENTITY
下载PDF
Different Attitudes towards Unrecognized Talents of Ancient British and Chinese Poets
9
作者 林春香 《海外英语》 2019年第4期198-199,共2页
Although living in different times and places, some ancient British and Chinese poets both found it hard to achieve theirpolitical ambitions. This thesis aims to summarize these poets' different attitudes towards ... Although living in different times and places, some ancient British and Chinese poets both found it hard to achieve theirpolitical ambitions. This thesis aims to summarize these poets' different attitudes towards unrecognized talents; and in the mean-while, tries to find out the reasons from the point of culture and religious belief. 展开更多
关键词 Frustrated ASPIRATION Unrecognized talents BRITISH poets CHINESE poets
下载PDF
Exploring Lives of China Ming-Qing Female Poets: Collaboration of the “Ming-Qing Women’s Writings Digital Archive and Database” and the “China Biographical Database”
10
作者 HUJia-jia 《Cultural and Religious Studies》 2017年第9期557-568,共12页
Based on the “Ming-Qing Women’s Writings (MQWW), a digital archive and database” project and the “China Biographical Database (CBDB)” project, which have been collaborating since 2008, this paper uses dif... Based on the “Ming-Qing Women’s Writings (MQWW), a digital archive and database” project and the “China Biographical Database (CBDB)” project, which have been collaborating since 2008, this paper uses different digital methods to analyse the Ming-Qing women poets’ lives, such as the themes of their poems, their geographical distribution, and their social networks. The aim of this paper is to show researchers various prospects for the integration of digital humanities projects. 展开更多
关键词 China Ming-Qing Female poets DATABASE MQWW CBDB GIS social network
下载PDF
电影《Dead Poets Society》中对教育共情力的思考
11
作者 刘以诚 《教育进展》 2023年第11期8197-8202,共6页
共情力是个体在观察和理解他人情感的基础上,产生与观察对象相似的情感体验并表现出相应行为反应的一种能力。在教育过程中,家庭和学校对个体的教育最为直接,学生阶段是个体人生成长的重要时期,好的教育是需要共情力的。本文以美国影片... 共情力是个体在观察和理解他人情感的基础上,产生与观察对象相似的情感体验并表现出相应行为反应的一种能力。在教育过程中,家庭和学校对个体的教育最为直接,学生阶段是个体人生成长的重要时期,好的教育是需要共情力的。本文以美国影片《Dead Poets Society》为例,针对“共情教育”,启发家长、教师在教育过程中的共情能力对个体心理发展所具有的积极作用。提出加强教育者共情意识,家校合力,建立轻松和谐的交往氛围,促进教育者与受教育者之间关系融洽。 展开更多
关键词 共情力 Dead poets Society 教育思考
下载PDF
The Lake Poets in Romanticism
12
作者 李陈晶 《海外英语》 2015年第22期176-178,181,共4页
Romanticism is an essential part in English literature. In this new trend, the group of poets, also called the Lake Poets,used their finest poems to show respect to nature and life, to advocate human instincts and emo... Romanticism is an essential part in English literature. In this new trend, the group of poets, also called the Lake Poets,used their finest poems to show respect to nature and life, to advocate human instincts and emotions and to look forward to new world. 展开更多
关键词 ROMANTICISM the LAKE poets POEMS
下载PDF
Deep-large faults controlling on the distribution of the venting gas hydrate system in the middle of the Qiongdongnan Basin, South China Sea 被引量:2
13
作者 Jin-feng Ren Hai-jun Qiu +6 位作者 Zeng-gui Kuang Ting-wei Li Yu-lin He Meng-jie Xu Xiao-xue Wang Hong-fei Lai Jin Liang 《China Geology》 CAS CSCD 2024年第1期36-50,共15页
Many locations with concentrated hydrates at vents have confirmed the presence of abundant thermogenic gas in the middle of the Qiongdongnan Basin(QDNB).However,the impact of deep structures on gasbearing fluids migra... Many locations with concentrated hydrates at vents have confirmed the presence of abundant thermogenic gas in the middle of the Qiongdongnan Basin(QDNB).However,the impact of deep structures on gasbearing fluids migration and gas hydrates distribution in tectonically inactive regions is still unclear.In this study,the authors apply high-resolution 3D seismic and logging while drilling(LWD)data from the middle of the QDNB to investigate the influence of deep-large faults on gas chimneys and preferred gasescape pipes.The findings reveal the following:(1)Two significant deep-large faults,F1 and F2,developed on the edge of the Songnan Low Uplift,control the dominant migration of thermogenic hydrocarbons and determine the initial locations of gas chimneys.(2)The formation of gas chimneys is likely related to fault activation and reactivation.Gas chimney 1 is primarily arises from convergent fluid migration resulting from the intersection of the two faults,while the gas chimney 2 benefits from a steeper fault plane and shorter migration distance of fault F2.(3)Most gas-escape pipes are situated near the apex of the two faults.Their reactivations facilitate free gas flow into the GHSZ and contribute to the formation of fracture‐filling hydrates. 展开更多
关键词 Venting gas hydrates Deep-large faults Gas chimney Gas-escape pipes High-resolution 3D seismic Logging while drilling Qiongdongnan Basin south China Sea
下载PDF
POETS AND MAECENAS:THE MAKING OF A PATRON
14
作者 ShannonByrne 《Journal of Ancient Civilizations》 2000年第1期1-12,共12页
关键词 230 poets AND MAECENAS
下载PDF
The Influence of the Closure of the East Paleo-Tethys Ocean on Southern South China:Evidences from Kinematics and^(40)Ar/^(39)Ar Geochronology of the Rongxian Ductile Shear Zone in Southeastern Guangxi 被引量:1
15
作者 HUANG Wenqiang LI Saisai +5 位作者 XIN Liangwei FENG Zuohai ZHANG Hongrui GENG Jieli LIU Kun SHI Chunyan 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2024年第5期1125-1140,共16页
The Triassic was a crucial period in the tectonic evolution of the South China Block.Research on tectonic deformation during this period provides information on intracontinental orogenic mechanisms in South China.In t... The Triassic was a crucial period in the tectonic evolution of the South China Block.Research on tectonic deformation during this period provides information on intracontinental orogenic mechanisms in South China.In this study,alongside thermochronological analyses,we examine the macroscopic and microscopic structural features of the Rongxian ductile shear zone,located south of the Darongshan granite in the southeastern part of Guangxi Province,on the southern margin of South China.Sinistral shear is indicated by the characteristics of rotatedσ-type feldspar porphyroclasts,stretching lineations defined by elongated quartz grains and the orientations of quartz c-axes.LA-ICP-MS U-Pb dating of zircons from two samples of granitic mylonite and one of granite yielded ages of ca.256 Ma.Furthermore,two samples of granitic mylonite yield muscovite^(40)Ar/^(39)Ar plateau ages of 249-246 Ma.These results indicate that the Rongxian ductile shear zone resulted from Early Triassic deformation of the late Permian Darongshan granite.This deformation was likely related to the closure of the eastern Paleo-Tethys Ocean and the subsequent collision of the South China and Indochina blocks,during the early stage of the Indosinian orogeny. 展开更多
关键词 ductile shear zone ^(40)Ar/^(39)Ar geochronology TRIASSIC south China Block East Paleo-Tethys Ocean
下载PDF
A Brief Discussion of Movie Dead Poets Society and the Reflection on Grammar Teaching
16
作者 陈铭 《海外英语》 2020年第13期253-254,共2页
In China,the growing number of EFL(English as a Foreign Language)learners are faced with different public examina⁃tions,in order to improve the passing rates,most English teachers choose traditional teaching method,wh... In China,the growing number of EFL(English as a Foreign Language)learners are faced with different public examina⁃tions,in order to improve the passing rates,most English teachers choose traditional teaching method,which leads to the reduction of some students’interest of learning English.Dead Poets Society is a remarkable film that shows education as a way to enlighten children,which inspires people to think about the appropriate English grammar teaching method for EFL students. 展开更多
关键词 Dead poets Society EFL learner deductive teaching method English grammar
下载PDF
Dynamics in the Prevalence of Insulin Resistance between 2005 and 2023 in Type 2 Diabetics in South Kivu in the East of the Democratic Republic of Congo: Cross-Sectional Studies
17
作者 Dieudonné Masemo Bihehe Ahadi Birindwa Bwihangane +3 位作者 Jean-Paulin Mukonkole Mbo Christian Tshongo Muhindo Michel Hermans Philippe Bianga Katchunga 《Journal of Diabetes Mellitus》 CAS 2024年第1期28-40,共13页
Aim: Sub-Saharan Africa is undergoing an epidemiological transition responsible for a change in the metabolic profile in favour of insulin resistance. The aim of this study was to assess the dynamics of the prevalence... Aim: Sub-Saharan Africa is undergoing an epidemiological transition responsible for a change in the metabolic profile in favour of insulin resistance. The aim of this study was to assess the dynamics of the prevalence of insulin resistance and associated risk factors in diabetic patients in the Democratic Republic of Congo between 2005 and 2023. Method: We measured fasting blood glucose and insulin levels and looked for metabolic syndrome parameters (2009 criteria) in type 2 diabetes patients in 2005-2008 (n = 176) and in 2018-2023 (n = 303). The HOMA model was used to measure insulin sensitivity and islet β-cell secretory function. Results: Between 2005 and 2013, the trend was towards an increase in the prevalence of insulin resistance (from 13.1% to 50.8%;p Conclusion: This present study shows an increase in insulin resistance in Congolese urban areas and a persistence of atypical diabetes mellitus in Congolese rural areas, confirming the particularity of the pathophysiology of the disease in African areas currently influenced by the epidemiological transition. Further studies using an appropriate methodology are required. 展开更多
关键词 PREVALENCE Diabetes Mellitus Insulin Resistance Metabolic Syndrome south Kivu
下载PDF
Vitamin D, Parathyroid Hormone, Insulin Sensitivity and Islet β-Cell Secretory Function in Diabetic Patients from South Kivu in the Democratic Republic of Congo: Cross-Sectional Study
18
作者 Dieudonne Masemo Bihehe Ahadi Birindwa Bwihangane +2 位作者 Jean-Paulin Mukonkole Mbo Michel Hermans Philippe Bianga Katchunga 《Journal of Diabetes Mellitus》 CAS 2024年第2期81-94,共14页
Background: The role of vitamin D and parathyroid hormone in the metabolic profile of type 2 diabetes mellitus in sub-Saharan Africa has not been adequately assessed. The aim of this study was to determine the prevale... Background: The role of vitamin D and parathyroid hormone in the metabolic profile of type 2 diabetes mellitus in sub-Saharan Africa has not been adequately assessed. The aim of this study was to determine the prevalence of low vitamin D level and secondary hyperparathyroidism and their association with insulin sensitivity and β-cell secretory function among Congolese type 2 diabetics. Methodology: Fasting glycaemia, fasting insulin, 25OH D3 and human parathyroid hormone (hPTH) were measured in one hundred and eighty-four type 2 diabetic patients followed as outpatients in South Kivu. Levels of 25OH D3 65 pg/ml defined low vitamin D and elevated parathyroid hormone levels, respectively. The HOMA model was used to measure insulin sensitivity and β-cell secretory function. Results: Medians (IQR) were 25.3 (20.4 - 32.4) ng/ml for 25OH D3 and 53.7 (38.4 - 115.7) pg/ml for hPTH. 58.7% of diabetics had insulin resistance, 126 (68.5%) had low vitamin D and 80 (43.5%) had hyperparathyroidism. In multivariate analysis, hPTH (partial r = −0.28;p = 0.0002) and 25OH D3 (partial r = 0.16;p = 0.03) showed an independent association with insulin sensitivity after adjustment for body mass index and waist circumference. Finally, hPTH (partial r = 0.27;p = 0.0002) was the sole determinant of β-cell secretory function. Conclusions: This study confirms the high prevalence of low vitamin D level and secondary hyperparathyroidism and their association with insulin resistance and impaired islet β-cell secretory function among Congolese with type 2 diabetes mellitus. Vitamin D and calcium supplementation should be envisaged for cases of deficiency in this region. 展开更多
关键词 Vitamin D Parathyroid Hormone Diabetes Mellitus Insulin Resistance south Kivu
下载PDF
Trace elements in magmatic and hydrothermal quartz:Implications on the genesis of the Xingluokeng Tungsten Deposit,South China
19
作者 Qing-Qing Zhang You-Wei Chen Jian-Feng Gao 《Acta Geochimica》 EI CAS CSCD 2024年第3期441-458,共18页
The Xingluokeng deposit is the largest gran-ite-related tungsten deposit within the Wuyi metallogenic belt in South China.The Xingluokeng intrusion primarily consists of porphyritic biotite granite,biotite granite,and... The Xingluokeng deposit is the largest gran-ite-related tungsten deposit within the Wuyi metallogenic belt in South China.The Xingluokeng intrusion primarily consists of porphyritic biotite granite,biotite granite,andfine-grained granite.The deposit is represented by veinlet-disseminated mineralization with K-feldspathization and biotitization,alongside quartz-vein mineralization with gre-isenization and sericitization.This study investigates in-situ analyses of quartz compositions from both the intrusion and hydrothermal veinlets and veins.Trace element correlations indicate that trivalent Al^(3+)and Fe^(3+)replace Si^(4+)within the quartz lattice,with monovalent cations(such as Li^(+),Na^(+),and K^(+))primarily serving as charge compensators.Low Ge/Al ratios(<0.013)of quartz from granites suggest a mag-matic origin.The low Al/Ti and Ge/Ti ratios,accompanied by high Ti contents in quartz,suggest that the porphyritic biotite granite and biotite granite are characterized by rela-tively low levels of differentiation and high crystallization temperatures.In contrast,thefine-grained granite exhibits a higher degree of fractionation,lower crystallization tem-peratures,and a closer association with tungsten miner-alization.Ti contents in quartz from quartz veins indicate Qz-Ⅰformed at temperatures above 400°C,while Qz-Ⅱto Qz-Ⅴformed at temperatures below 350°C.Variations in different generations of quartz,as indicated by Al content and(Al+Fe)/(Li+Na+K)ratio,suggest that Qz-Ⅰprecipi-tated from a less acidicfluid with a stable pH,whereas Qz-Ⅱto Qz-Ⅴoriginated from a more acidicfluid with notable pH variations.Consequently,alkaline alteration and acidic alteration supplied the essential Ca and Fe for the precipita-tion of scheelite and wolframite,respectively,highlighting a critical mechanism in tungsten mineralization at the Xin-gluokeng deposit. 展开更多
关键词 QUARTZ Xingluokeng Tungsten deposit Trace elements south China
下载PDF
Droughts in Homogeneous Areas of South America and Associated Processes during the Months of Austral Spring and Summer
20
作者 Mariah Sousa GOMES Iracema Fonseca de Albuquerque CAVALCANTI Gabriela V.MULLER 《Advances in Atmospheric Sciences》 SCIE CAS CSCD 2024年第12期2337-2353,共17页
Droughts that occurred in selected areas located in homogeneous regions of South America during the austral springs(SON)and summers(DJF)from 1982 to 2019 are identified using the Standard Precipitation Index(SPI).Four... Droughts that occurred in selected areas located in homogeneous regions of South America during the austral springs(SON)and summers(DJF)from 1982 to 2019 are identified using the Standard Precipitation Index(SPI).Four areas were analyzed for droughts in SON,and three areas were analyzed for droughts in DJF.The areas in the Amazon suffered from the majority of their droughts during El Niño years,while most of the droughts in the areas of southern Brazil,Uruguay,and North Argentina occurred during La Niña years.In southeastern and central-western parts of Brazil,droughts occurred during both phases of El Nino-Southern Oscillation(ENSO)and also during neutral years.Thus,other processes besides ENSO are likely related to the observed droughts.The droughts were investigated for each area and month,and composites of atmospheric and oceanic variables during both seasons were analyzed for the selected cases.Regional and large-scale field composites were examined to identify the main processes associated with dry conditions in the different areas.Regional features were related to the influence of high pressure over southern and southeastern areas and the divergence of moisture flux in all areas.Meridional circulations contributed to subsidence over the dry regions.The large-scale influential features include SST anomalies,wavetrains over the South Pacific Ocean with centers of action over South America that produced subsidence in the study areas,and convection anomalies in the Maritime continent and surrounding areas.Therefore,the droughts were associated with a combination of regional and large-scale features that produced subsidence over the analyzed regions. 展开更多
关键词 DROUGHTS south America regional features large-scale features
下载PDF
上一页 1 2 250 下一页 到第
使用帮助 返回顶部