Perspectives of Earth and Space Scientists最新文献

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Cultivating a New Field at the Boundary Between Geoscience and Education Research 在地学与教育研究的边界上培育新领域
Perspectives of Earth and Space Scientists Pub Date : 2021-08-25 DOI: 10.1029/2021CN000149
K. Kastens
{"title":"Cultivating a New Field at the Boundary Between Geoscience and Education Research","authors":"K. Kastens","doi":"10.1029/2021CN000149","DOIUrl":"https://doi.org/10.1029/2021CN000149","url":null,"abstract":"I was privileged to contribute to the creation of a new field, Geoscience Education Research. This liminal field, with roots in both education research and geosciences, is deepening how people think and learn about the Earth. In this article, I recount some of my twists and turns along way, and ponder whether such a zig‐zagging pathway was essential or a distraction. And if essential, what made it possible? Twenty‐first century geosciences aporous boundaries, with insights flowing in and out from health sciences, social sciences, humanities, business, and other physical sciences. Such boundary regions are fertile ground for both basic and use‐inspired research. If you feel drawn to a boundary region, perhaps my story can provide encouragement or advice.","PeriodicalId":403895,"journal":{"name":"Perspectives of Earth and Space Scientists","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133856741","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Following the Science by Roger A. Pielke Sr. 继老罗杰·皮尔克的《科学》之后。
Perspectives of Earth and Space Scientists Pub Date : 2021-07-19 DOI: 10.1029/2019CN000121
R. Pielke
{"title":"Following the Science by Roger A. Pielke Sr.","authors":"R. Pielke","doi":"10.1029/2019CN000121","DOIUrl":"https://doi.org/10.1029/2019CN000121","url":null,"abstract":"The pursuit of basic knowledge and conveying that knowledge for the benefit of society is one of the most rewarding endeavors of life. The opportunity to devote one's professional life to science in order to learn and create new knowledge is intoxicating. This short article highlights some of the aspects of my career that perhaps students and others will find useful, including life experiences that directly affected my career. I also suggest opportunities for major advances in our understanding and predictability of Earth system processes.","PeriodicalId":403895,"journal":{"name":"Perspectives of Earth and Space Scientists","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125512421","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Perspectives on My Career in Organic Geochemistry 有机地球化学职业生涯展望
Perspectives of Earth and Space Scientists Pub Date : 2021-05-05 DOI: 10.1029/2020CN000141
P. Meyers
{"title":"Perspectives on My Career in Organic Geochemistry","authors":"P. Meyers","doi":"10.1029/2020CN000141","DOIUrl":"https://doi.org/10.1029/2020CN000141","url":null,"abstract":"I have had the pleasure of studying the organic geochemistry of sediments of lakes and oceans for 50 years. I have especially enjoyed the versatility of organic geochemistry; it can be applied to studies of many kinds of geological sequences and parts of geological time. As an important part of my career, I sailed as a shipboard organic geochemist on seven ocean‐drilling cruises that recovered organic carbon‐rich Cretaceous black shales, Mediterranean sapropels, and upwelling zone sediments. Because most marine sediments contain less than one‐tenth of a percent of organic carbon, learning more about the properties and the paleoceanographic processes important to the formation of these carbon‐rich deep‐sea sequences has been a long‐term theme of my career. At the same time, I have studied organic geochemical records in lakes, where higher sedimentation rates and greater organic carbon concentrations enable higher resolution investigation of depositional processes than in the oceans. In addition, I have studied peat sequences, which provide relatively detailed records of the paleoclimatic histories of their locations. In summary, my scientific curiosity has permitted me to be a paleoceanographer, a paleolimnologist, a paleoclimatologist, and above all an organic geochemist.","PeriodicalId":403895,"journal":{"name":"Perspectives of Earth and Space Scientists","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130619057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Opportunities of Working in a Challenging Environment 在充满挑战的环境中工作的机会
Perspectives of Earth and Space Scientists Pub Date : 2021-01-01 DOI: 10.1029/2021CN000143
A. Muluneh
{"title":"The Opportunities of Working in a Challenging Environment","authors":"A. Muluneh","doi":"10.1029/2021CN000143","DOIUrl":"https://doi.org/10.1029/2021CN000143","url":null,"abstract":"A few days after the American Geophysical Union announced that I am the recipient of the 2020 Africa Award for research excellence in Earth or Ocean Sciences, I received an email from Michael Wysession, editor‐in‐chief of Perspectives of Earth and Space Scientists, to write a story about my scientific experiences. I was filled with emotions. I never thought of sharing my experience with other people (except to my wife and children and close friends). I hope my story will inspire mainly marginal students, who may think that society will exclude them owing to western credentials, and believe that they cannot achieve a spot in science because of their grades. I strongly believe that scientific excellence is achieved by hard work (mostly in a subject area that you like), and a little bit of good luck.","PeriodicalId":403895,"journal":{"name":"Perspectives of Earth and Space Scientists","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126058442","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Importance of Fundamental Science for Society: The Success Story of Ozone Research 基础科学对社会的重要性:臭氧研究的成功故事
Perspectives of Earth and Space Scientists Pub Date : 2020-01-01 DOI: 10.1029/2020CN000136
G. Brasseur
{"title":"The Importance of Fundamental Science for Society: The Success Story of Ozone Research","authors":"G. Brasseur","doi":"10.1029/2020CN000136","DOIUrl":"https://doi.org/10.1029/2020CN000136","url":null,"abstract":"The successful story of ozone research from the discovery of this gas in the laboratory in 1839 to the protection of the stratospheric ozone layer by the Montreal Protocol in 1987 highlights the role and importance of fundamental research. None of the scientists who discovered the chemical nature and properties of ozone, and established its presence in the atmosphere, suspected that humans would be able to destroy a protective stratospheric layer that is essential for life on Earth. None of them had anticipated either that the emissions of pollutants associated with industrial activity and road transportation in urban areas would generate summertime ozone smog events with detrimental health effects and premature mortality. Scientific research has provided the knowledge needed to convince governments to take effective legislation to ban the industrial production of stratospheric ozone depleting agents and reduce the emissions of ozone precursors in the troposphere. This perspective paper calls for enhanced support of a strong fundamental research activity that rewards imagination and protects the scientific community from tight administrative and financial constraints. It highlights the need for scientists to keep a free and independent mind that leads to progress and innovation.","PeriodicalId":403895,"journal":{"name":"Perspectives of Earth and Space Scientists","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124100694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
From Physics to Climate Science 从物理学到气候科学
Perspectives of Earth and Space Scientists Pub Date : 2020-01-01 DOI: 10.1029/2019CN000126
G. North
{"title":"From Physics to Climate Science","authors":"G. North","doi":"10.1029/2019CN000126","DOIUrl":"https://doi.org/10.1029/2019CN000126","url":null,"abstract":"I began my career in climate science in 1974 when I went on Sabbatical from a tenured position in a physics department to National Center for Atmospheric Research (NCAR). I began working on simple climate models that year, and it led a few years later to a senior scientist position at NASA Goddard Space Flight Center (1978–1986). During this time, colleagues and I continued working on simple models expanding them to two horizontal dimensions and with many applications in paleoclimatology. When the models were forced by white noise the response was remarkably close to those of general circulation models. My group did numerous studies on the sampling errors in estimating empirical orthogonal functions and in the identification, evaluation, and estimation of errors for satellite retrieval of rain. I was the first study scientist for the Tropical Rainfall Measuring Mission. I moved to Texas A&M University in 1986 and served as department head from 1995–2003. At A&M I continued working on statistical problems related to Tropical Rain Measuring Mission (TRMM) and other applications such as detection of climate signals. I served in many service roles such as on boards, award committees, and as editor‐in‐chief for a journal and an encyclopedia. I also wrote, coauthored, or edited books on paleoclimatology, thermodynamics, climate models, and memoirs. I became Distinguished Professor Emeritus in 2014 and Research Professor until 2020, when I left the payroll.","PeriodicalId":403895,"journal":{"name":"Perspectives of Earth and Space Scientists","volume":"306 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133103911","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New Discoveries Enabled by the Emergence of High‐Resolution, Long‐Term Interdisciplinary Ocean Observations 高分辨率、长期跨学科海洋观测带来的新发现
Perspectives of Earth and Space Scientists Pub Date : 2020-01-01 DOI: 10.1029/2020CN000129
T. Dickey
{"title":"New Discoveries Enabled by the Emergence of High‐Resolution, Long‐Term Interdisciplinary Ocean Observations","authors":"T. Dickey","doi":"10.1029/2020CN000129","DOIUrl":"https://doi.org/10.1029/2020CN000129","url":null,"abstract":"This review describes the author's path leading toward a career in science and four decades of experiences. Some of the important people influencing my intellectual development are mentioned. Crossings of disciplinary boundaries were keys to novel research efforts. In particular, new areas of research such as geophysical fluid dynamics and bio‐optics were embraced and used to advantage. Likewise, identifying and utilizing relevant new technologies enabled unprecedented interdisciplinary high‐resolution, long‐term measurements at depth in the ocean. Early on, my group utilized satellite‐based as well as in situ data sets to advantage. In addition, with colleagues, we conducted modeling as well as observational studies. A few examples of resulting scientific breakthroughs involving interdisciplinary observations are presented. In addition, our time‐space diagrams for ocean processes and platforms have been utilized for ocean experimental design and modeling. Finally, some career advice for future generations and my unconventional teaching methods using therapy dogs are discussed.","PeriodicalId":403895,"journal":{"name":"Perspectives of Earth and Space Scientists","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125948641","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Making Your Own Luck: A Meaningful Career From Being Open to Opportunities 创造你自己的运气:一个有意义的职业从开放的机会
Perspectives of Earth and Space Scientists Pub Date : 2020-01-01 DOI: 10.1029/2020cn000133
A. Robock
{"title":"Making Your Own Luck: A Meaningful Career From Being Open to Opportunities","authors":"A. Robock","doi":"10.1029/2020cn000133","DOIUrl":"https://doi.org/10.1029/2020cn000133","url":null,"abstract":"The most important work I have done in my career is to warn the world about the dangers of nuclear weapons. While the Soviet‐American nuclear arms race has ended, and the 2017 United Nations Treaty on the Prohibition of Nuclear Weapons is on its way to ratification, there is still much more work to do. The smoke from fires ignited by nuclear weapons would block out the Sun, cooling Earth's surface. The United States and Russia can still produce a nuclear winter, killing most crops and producing a global famine. I have worked on this because I have been open to new opportunities, have used my scientific expertise to apply to important problems, and am sensitive to issues that present dangers to society. Having spent more than $20 million of the public's money on my research, I feel an obligation to warn society of dangers I discover, and focus on that communication as an intimate part of my scientific efforts. And nuclear winter research has been very good to me. It led to meeting Sherri West (my wife), Carl Sagan, and Fidel Castro; to getting my current job at Rutgers; and to being a participant in the International Campaign to Abolish Nuclear Weapons, which won the 2017 Nobel Peace Prize. Taking advantage of chance encounters at the Fall American Geophysical Union Meetings has been an important factor in this tale.","PeriodicalId":403895,"journal":{"name":"Perspectives of Earth and Space Scientists","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115018170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Cosmic Timeline of Heliophysics: A Declaration of Significance 太阳物理学的宇宙时间轴:意义宣言
Perspectives of Earth and Space Scientists Pub Date : 2020-01-01 DOI: 10.1029/2020CN000137
T. Moore
{"title":"The Cosmic Timeline of Heliophysics: A Declaration of Significance","authors":"T. Moore","doi":"10.1029/2020CN000137","DOIUrl":"https://doi.org/10.1029/2020CN000137","url":null,"abstract":"We heliophysicists hold certain truths to be self‐evident: That the planets orbiting most stars are endowed through their creation from primordial matter with a particular elemental composition; That this composition and their thermal environment depend upon and are derived from their orbital distance from the star; that the state of their matter is determined in part by their thermal equilibrium, which could be within a habitability zone. Further, planets within such a habitability zone may come to possess liquid water oceans, a gaseous humid atmosphere, and primordial matter of a composition that enables the formation of complex aperiodic molecules capable of storing information and replicating. Such replicating molecules will be subject to randomly induced variations with differential reproductive success, forming the basis for natural selection and evolution of still more complex molecules and assemblages thereof.","PeriodicalId":403895,"journal":{"name":"Perspectives of Earth and Space Scientists","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132423463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Landslide Disparities, Flume Discoveries, and Oso Despair 滑坡差异,水槽发现,和Oso绝望
Perspectives of Earth and Space Scientists Pub Date : 2020-01-01 DOI: 10.1029/2019CN000117
R. M. Iverson
{"title":"Landslide Disparities, Flume Discoveries, and Oso Despair","authors":"R. M. Iverson","doi":"10.1029/2019CN000117","DOIUrl":"https://doi.org/10.1029/2019CN000117","url":null,"abstract":"Landslide dynamics is the branch of science that seeks to understand the motion of landslides by applying Newton's laws. This memoir focusses on a 40‐year effort to understand motion of highly mobile—and highly lethal—landslides such as debris avalanches and debris flows. A major component of this work entailed development and operation of the U.S. Geological Survey debris flow flume, a unique, large‐scale experimental facility in Oregon. Experiments there yielded new insights that informed development of mathematical models that were aimed not only at explaining landslide dynamics but also at evaluating landslide and debris flow hazards. The most sophisticated of these models, called D‐Claw, found its first practical application during investigations of the 2014 Oso, Washington, landslide disaster. That event provided indelible lessons about the utility and sociology of science in the real world.","PeriodicalId":403895,"journal":{"name":"Perspectives of Earth and Space Scientists","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116886636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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