earth science

Margaret Leinen

Margaret Leinen is a earth science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Margaret Leinen rather than just read about it. In short: Margaret S. Leinen (born September 20, 1946) is an American paleoceanographer and paleoclimatologist.

Key takeaways

Margaret Leinen belongs to earth science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Margaret Leinen to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Margaret Leinen from memory before moving on to harder problems.

Reference excerpt

Margaret S. Leinen (born September 20, 1946) is an American paleoceanographer and paleoclimatologist. In the 1990s she served as a dean and the Vice Provost for Marine and Environmental Programs at the University of Rhode Island and was appointed as the head of the Geosciences Directorate of the National Science Foundation in January, 2000. She founded the Climate Response Fund, a non-profit focused on enabling better understanding, regulation and responsible use of climate engineering research, and served as its president. She also served as chief science officer for a startup company in green technology and climate change mitigation. She served the executive director of the Harbor Branch Oceanographic Institute Marine and Environmental Initiatives at Florida Atlantic University. In 2013, Leinen was appointed the 11th director of the Scripps Institution of Oceanography, as well as the dean of the School of Marine Sciences at the University of California, San Diego. She has also served as the U.S. Department of State science envoy for the oceans to Latin America and the Pacific.

Early life and education Margaret Leinen was born in Chicago, Illinois, on 20 September 1946 to Earl John Leinen and Ester Louis Leinen. In 1969 Leinen earned her Bachelor of Science degree in geology from the University of Illinois, a master's degree in geological oceanography from Oregon State University in 1975, and her doctorate in oceanography in 1980 from the University of Rhode Island.

Professional career Upon earning her doctoral degree, Leinen began her career as a research scientist and faculty member at URI, and quickly demonstrated a talent for academic administration. From 1991 to 1999 she served the Vice Provost for Marine and Environmental Programs at the University of Rhode Island, and between 1995 and 1999, simultaneously served as the dean of two URI colleges (Graduate School of Oceanography and College of the Environment and Life Sciences). In January, 2000 Leinen was appointed as the head of the Geosciences Directorate of the National Science Foundation. She founded the Climate Response Fund, a 501-c3 non-profit organization focused on enabling better understanding, regulation and responsible use of climate engineering research, and served as its president for a time. For two years, Leinen also worked as chief science officer for a startup company in green technology and climate change mitigation. She served the executive director of the Harbor Branch Oceanographic Institute Marine and Environmental Initiatives at Florida Atlantic University. In 2013, Leinen was appointed the 11th director of the Scripps Institution of Oceanography, as well as the Vice Chancellor for Marine Sciences at the University of California, San Diego, and served until 2025.

Honors Dr. Leinen has been elected fellow of the American Association for the Advancement of Science and of the Geological Society of America. In 2016, she was selected as a U.S. Science Envoy by the United States State Department. In 2020, Leinen was elected to the American Academy of Arts and Sciences and was named a fellow of The Oceanography Society and an Honorary Member of the American Meteorological Society in 2022.

Service Dr. Leinen was selected to serve as co-chair of the Decade Advisory Board for UN Decade of Ocean Science for Sustainable Development and is a member of the Leadership Council of the Joint Ocean Commission Initiative. She has served as president of the American Geophysical Union, chair of the Atmospheric and Hydrospheric Science Section of the American Academy for the Advancement of Science, and president of the Oceanography Society. She serves on the boards of the California Ocean Science Trust and Science Counts. She is the vice chair of the research board of the $500 million Gulf of Mexico Research Initiative.

Selected publications Leinen, Margaret (1989), "The pelagic clay province of the North Pacific Ocean", The Eastern Pacific Ocean and Hawaii, North America: Geological Society of America, pp. 323–335, doi:10.1130/dnag-gna-n.323, ISBN 0-8137-5208-6, retrieved February 18, 2024 Blank, Marsha; Leinen, Margaret; Prospero, Joseph M. (March 1985). "Major Asian aeolian inputs indicated by the mineralogy of aerosols and sediments in the western North Pacific". Nature. 314 (6006): 84–86. Bibcode:1985Natur.314...84B. doi:10.1038/314084a0. ISSN 1476-4687. Schmidt, Gavin A.; Severinghaus, Jeff; Abe-Ouchi, Ayako; Alley, Richard B.; Broecker, Wallace; Brook, Ed; Etheridge, David; Kawamura, Kenji; Keeling, Ralph F.; Leinen, Margaret; Marvel, Kate; Stocker, Thomas F. (July 2017). "Overestimate of committed warming". Nature. 547 (7662): E16–E17. Bibcode:2017Natur.547E..16S. doi:10.1038/nature22803. ISSN 1476-4687. PMC 5885753. PMID 28703191. Doh, Seong-Jae; King, John W.; Leinen, Margaret (August 1988). "A rock-magnetic study of giant piston core LL44-GPC3 from the central North Pacific and its paleoceanographic implications". Paleoceanography. 3 (1): 89–111. Bibcode:1988PalOc...3...89D. doi:10.1029/PA003i001p00089. ISSN 0883-8305. Rea, David K.; Leinen, Margaret; Janecek, Thomas R. (February 15, 1985). "Geologic Approach to the Long-Term History of Atmospheric Circulation". Science. 227 (4688): 721–725. Bibcode:1985Sci...227..721R. doi:10.1126/science.227.4688.721. ISSN 0036-8075. PMID 17796713. Leinen, Margaret; Prospero, Joseph M.; Arnold, Eve; Blank, Marsha (October 20, 1994). "Mineralogy of aeolian dust reaching the North Pacific Ocean: 1. Sampling and analysis". Journal of Geophysical Research: Atmospheres. 99 (D10): 21017–21023. Bibcode:1994JGR....9921017L. doi:10.1029/94JD01735. ISSN 0148-0227.

References

Illustrations

Worked examples

Example 1 — a first encounter with Margaret Leinen

Start with the simplest possible case. Write down what Margaret Leinen claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In earth science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Margaret Leinen before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Margaret Leinen ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Margaret Leinen

In research: Margaret Leinen appears in earth science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Margaret Leinen in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Margaret Leinen is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1946 births, 20th-century American geologists, 20th-century American women scientists, so understanding it makes those chapters shorter.
In everyday life: Look for Margaret Leinen outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Margaret Leinen in 20 minutes

Read the reference excerpt below once, without taking notes.
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Frequently asked questions

What is Margaret Leinen in simple terms?

Margaret S. Leinen (born September 20, 1946) is an American paleoceanographer and paleoclimatologist.

Why does Margaret Leinen matter?

Because it connects several earth science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Margaret Leinen?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Margaret Leinen.