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Bite without bark: How the socioeconomic context of the 1950s U.S. drought minimized responses to a multiyear extreme climate event

机译:无树皮叮咬:1950年代美国干旱的社会经济背景如何最大程度地减少了对多年极端气候事件的响应

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Abstract The drought of the 1950s was among the most widespread, severe and sustained ever experienced in the United States. For several states, the severity of the 1950s drought exceeded that of the 1930s “Dust Bowl”. The 1950s were characterized by low rainfall amounts and by excessively high temperatures. The climatological aspects of the drought subsided in most areas with the spring rains of 1957. A careful review of official reports over this period reveals limited acknowledgment of the drought of the 1950s. The drought was no secret, but it did not receive a great deal of news coverage; later droughts of lower severity and shorter duration, such as 1976–77, 1988, 2002–2004, 2011–2012 and the ongoing drought in California (2011–2015), garnered much greater national focus. In this paper, the question why such a major geophysical variation appears to have elicited little major national policy response, including the apparent lack of significant media concern is addressed. In framing the discussion this study assesses, the evolution of drought during the 1950s to establish its national and regional policy contexts, technological improvements and financial changes prior to and during the event, and on and off-farm responses in terms of the socioeconomic impacts. The study provides an overview of key developments and concerns in agriculture since the early 20th Century sets the context for the 1950s, then moves to the farm itself as a unit of analysis. This approach shows not only how the situation may have appeared to those outside the afflicted areas, but also how decisions were guided by agricultural economics affecting farmers at the time, and the strong influence of broader historical trends in which the 1950s were embedded. The paper provides the relevant agricultural statistics and uncovers the political and public perceptions moving through the drought years. Overproduction was the fundamental, almost paradoxical problem facing American agriculture at the time. The paper concludes with a discussion of how the implications of this event, and the attendant responses, might provide guidance to future assessments of extremes such as severe drought in the context of a changing climate. Keywords Drought ; Agriculture ; Socioeconomic context ; Extreme events prs.rt("abs_end"); 1. Introduction The post-war 1950s is widely perceived as a period of optimism and prosperity in the U.S., and remains such in the American imagination. But, in the midst of this period of growth, the Great Plains and the southwestern U.S. were experiencing multi-year drought. By 1954, the drought reached from Ohio to Nevada and from Wyoming to Georgia, with the most extreme conditions in the mid-west, the Great Plains, and southward into New Mexico, reaching a peak in 1956 ( Fig. 1 ). The 1950s drought was characterized by both low rainfall amounts and excessively high temperatures. In 1953, 75% of Texas recorded below normal rainfall amounts, with temperatures in Dallas exceeding 100?°F on 52 days during that summer. Kansas recorded a negative Palmer Drought Severity Index from 1952 until March 1957, with a record low in September of 1956. The drought subsided in most areas with the spring rains of 1957. The droughts of the 1930s and the 1950s remain the benchmarks in terms of duration, severity, and spatial extent over much of the midWest in the 20th century ( Layzell and Evans, 2013 and Woodhouse and Overpeck, 1998 ). Fig. 1.?Palmer drought severity index: climatological divisions June 1950 to June 1957. Figure options Download full-size image Download as PowerPoint slide The U.S. President's annual Economic Reports ( Eisenhower, 1954 through 1961) provide an unusually clear indication of abiding concern and an exposition and justification of policy. These Economic Reports have great value as indicators of the political mainstream's views of economic problems and possibilities ( Peterson, 1979 ), however a review for this period reveals almost no acknowledgment of the drought of the 1950s. There is serious consideration in reports to Congress from a well-publicized national-level meeting ( Eisenhower, 1957 ), the only one of note during the prolonged drought, and a report to the President from The Special Assistant to the President for Public Works Planning (1958) , but by the time these official statements appeared, the crisis was already waning. A useful analogy, on the lack of warning, may be drawn from Sherlock Holmes. ‘Is there any point to which you would wish to draw my attention?’ ‘To the curious incident of the dog in the night-time.’ ‘The dog did nothing in the night-time.’ ‘That was the curious incident,’ remarked Sherlock Holmes. –Arthur Conan Doyle, “Silver Blaze” (1892) Holmes solved the case because a dog did not bark when it should have, indicating that the malefactor was known to the dog. Considering the socioeconomic context of the 1950s drought in the United States is similar to asking why the dog did not bar
机译:摘要1950年代的干旱是美国有史以来最广泛,最严重和最持续的干旱之一。在某些州,1950年代的干旱严重程度超过了1930年代的“沙尘暴”。 1950年代的特点是降雨量少和温度过高。随着1957年的春雨,大多数地区的干旱在气候方面都得到了缓解。对这一时期官方报告的仔细审查显示,人们对1950年代的干旱认识有限。干旱不是什么秘密,但是它并没有收到很多新闻报道。后来,严重程度较低,持续时间较短的干旱,例如1976-77年,1988年,2002-2004年,2011-2012年以及加利福尼亚州持续的干旱(2011-2015年),引起了全国的广泛关注。在本文中,解决了这样一个问题,即为何如此重大的地球物理变化似乎几乎没有引起重大的国家政策回应,包括明显缺乏重大媒体关注的问题。在对本研究进行讨论时,我们评估了1950年代干旱的发展过程,以确立其国家和地区政策背景,事件发生前后的技术改进和财务变化,以及根据社会经济影响对农场和农场外的应对措施。这项研究概述了自20世纪初期为1950年代设定背景之后,随后将农业作为分析单位的农业发展和关注的关键问题。这种方法不仅显示出这种情况可能在受灾地区以外的地区出现,而且还显示了当时受农民影响的农业经济学如何指导决策,以及嵌入1950年代的更广泛历史趋势的强大影响。本文提供了相关的农业统计数据,并揭示了干旱时期的政治和公众认识。过度生产是当时美国农业面临的基本,几乎矛盾的问题。本文最后讨论了此事件的影响以及随之而来的回应,可能为将来评估极端气候(例如气候变化背景下的严重干旱)提供指导。关键词干旱;农业 ;社会经济背景;极端事件prs.rt(“ abs_end”); 1.简介战后1950年代在美国被普遍认为是一个乐观和繁荣的时期,并且在美国的想象中仍然如此。但是,在这一增长时期中,大平原和美国西南部正遭受多年干旱。到1954年,干旱从俄亥俄州蔓延到内华达州,从怀俄明州蔓延到佐治亚州,中西部,大平原以及向南进入新墨西哥州的极端天气条件最为严峻,在1956年达到峰值(图1)。 1950年代的干旱的特点是降雨量少和温度过高。 1953年,得克萨斯州的75%的降雨量低于正常降雨量,而在那个夏天的52天内,达拉斯的温度超过了100?F。从1952年到1957年3月,堪萨斯州记录的Palmer干旱严重度指数为负值,在1956年9月创下历史新低。在大多数地区,1957年的春雨减轻了干旱。1930年代和1950年代的干旱仍然是基准。 20世纪中西部大部分地区的持续时间,严重性和空间范围(Layzell和Evans,2013年; Woodhouse和Overpeck,1998年)。图1.帕尔默干旱严重程度指数:1950年6月至1957年6月的气候区划。图选项下载全尺寸图片下载为PowerPoint幻灯片美国总统的年度经济报告(艾森豪威尔,1954年至1961年)提供了一个异常明显的持续关注的迹象。以及政策的说明和理由。这些经济报告作为政治主流观点对经济问题和可能性的观点具有重要的价值(Peterson,1979),但是对这一时期的回顾表明,几乎没有人承认1950年代的干旱。一场广为人知的国家级会议(艾森豪威尔,1957年)向国会提交的报告得到了认真的考虑,这是长期干旱期间的唯一记录,而公共工程计划总统特别助理向总统的报告也得到了认真的考虑。 (1958),但是当这些官方声明出现时,危机已经开始减弱。夏洛克·福尔摩斯(Sherlock Holmes)给出了一个有用的类比,即缺乏警告。 “有什么要引起我注意的地方吗?”“关于狗在夜间发生的奇怪事件。”“狗在夜间没有做任何事情。”“那是奇怪的事件, ”福尔摩斯说。 -亚瑟·柯南·道尔(Arthur Conan Doyle),《银色火焰》(Silver Blaze)(1892年)霍姆斯解决了此案,因为一只狗在应有的时候没有吠叫,这表明那只狗是公犬。考虑到1950年代美国干旱的社会经济背景,类似于询问为什么狗不禁止

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