Recovery of a CTD (conductivity, temperature, depth) sensor at sea.
Monitoring atmospheric chemistry using mass spectrometers built at Caltech.
The Alvin submersible returns from a dive.
Sampling for cosmogenic exposure dating, Kauai.

Scientists from a broad range of disciplines are collaborating at the Linde Center to generate a comprehensive understanding of our global environment—including the impacts of human activities on it. They investigate Earth's atmosphere, oceans, cryosphere, and biosphere and their mutual interactions, characterizing their present and past states through innovative measurements, developing models to describe their evolution, and synthesizing measurements and models to produce sound predictions of the future. Among the questions addressed at the Linde Center are:

  • How has Earth's climate varied in the past and how will it change in the future?
  • How does pollution affect air quality locally and far from its sources, and how does it affect cloud cover and climate change?
  • What happens to carbon dioxide after it enters the atmosphere?

The Linde Center is located within the unique Linde + Robinson Laboratory, likely the most energy-efficient laboratory building in the United States. The Linde + Robinson Laboratory and nearby buildings house state-of-the art laboratories for oceanography, atmospheric chemistry, biogeochemistry, environmental microbiology, and environmental chemistry and technology.

More about the Linde Center »

Featured Event


Solution to the Allusion Hidden in PERCEPTION

The Caltech Community has been stumped and, as a result, $1,000 has been added to the endowment for global environmental science. No one in the Caltech Community came forward within one year with the correct answer to the contest that was announced on January 24, 2012 by alumnus and Vice Chair of Caltech's Board of Trustees, Ronald Linde, at the dedication of Linde+Robinson Laboratory.

Several members of the Caltech community submitted very insightful entries that correctly identified hidden allusions contained in PERCEPTION, and several of the clues were correctly identified. None of the entrants, however, identified the specific allusion that matches all of the clues, as required by the contest rules. Below is the solution:

Solution: The number of parallel hexahedron faces (12) in PERCEPTION equals the number of rare earth elements discovered since Robinson Laboratory was built in 1932. The number of different clues also is 12.

Details: Clues contained in the 'Statement of Clues' are identified below by underlining, with explanations (where deemed helpful) in brackets and red type.


History [of science and of Caltech] and Mystery: A Number [12] of Clues for a Test in PERCEPTION

If Sherlock Holmes, the fictional master of perception, had been a member of the Caltech [Caltech's history] community, he would not have needed a dozen [12 parallel faces/12 discoveries] clues to discover the allusion. At the time of discovery he characteristically would have exclaimed, "Elementary [pertaining to elements], my dear Watson!"

Science has progressed enormously since Robinson Laboratory was built. Now the Global Environmental Science initiative will provide a rare opportunity for Caltech's [same clue as above] divisions, working in concert and in parallel, to address an impending crisis that faces our planet [Earth].

Thank you for everyone's participation and interest. For the Artist's Statement, the original Contest and two additional clues announced late in 2012, please click here or visit

Recent Publications

Chen, Jinqiang and Bordoni, Simona (2014) Intermodel spread of East Asian summer monsoon simulations in CMIP5. Geophysical Research Letters . ISSN 0094-8276.

Fallon, S. J. and Thresher, R. E. and Adkins, J. (2014) Age and growth of the cold-water scleractinian Solenosmilia variabilis and its reef on SW Pacific seamounts. Coral Reefs, 33 (1). pp. 31-38. ISSN 0722-4028.

Glasser, Nathaniel R. and Kern, Suzanne E. and Newman, Dianne K. (2014) Phenazine redox cycling enhances anaerobic survival in Pseudomonas aeruginosa by facilitating generation of ATP and a proton-motive force. Molecular Microbiology . ISSN 0950-382X.

Flagan, Richard C. (2014) Continuous-Flow Differential Mobility Analysis of Nanoparticles and Biomolecules. Annual Review of Chemical and Biomolecular Engineering, 5 . ISSN 1947-5438.

Holunga, Dean M. and Brunelli, Nicholas A. and Flagan, Richard C. (2013) A tool for uniform coating of 300-mm wafers with nanoparticles. Journal of Nanoparticle Research, 15 (11). Art. No. 2027. ISSN 1388-0764 .

Holland, Daniel B. and Blake, Geoffrey A. (2013) Development and application of a 100 MHz-resolution terahertz time-domain spectrometer. In: 245th ACS National Meeting & Exposition, Abstracts of Papers, April 7-11, 2013, New Orleans, LA.

Stewart, Andrew L. and Thompson, Andrew F. (2013) Connecting Antarctic Cross-Slope Exchange with Southern Ocean Overturning. Journal of Physical Oceanography, 43 (7). pp. 1453-1471. ISSN 0022-3670.

Liu, Junjun and Schneider, Tapio and Kaspi, Yohai (2013) Predictions of thermal and gravitational signals of Jupiter’s deep zonal winds. Icarus, 224 (1). pp. 114-125. ISSN 0019-1035

Lόpez-Yglesias, Xerxes and Flagan, Richard C. (2013) Ion–Aerosol Flux Coefficients and the Steady-State Charge Distribution of Aerosols in a Bipolar Ion Environment. Aerosol Science and Technology, 47 (6). pp. 688-704. ISSN 0278-6826

Mazloff, Matthew R. and Ferrari, Raffaele and Schneider, Tapio (2013) The Force Balance of the Southern Ocean Meridional Overturning Circulation. Journal of Physical Oceanography, 43 (6). pp. 1193-1208. ISSN 0022-3670

DiBiase, Roman A. and Lamb, Michael P. (2013) Vegetation and wildfire controls on sediment yield in bedrock landscapes. Geophysical Research Letters, 40 (6). pp. 1093-1097. ISSN 0094-8276

Bird, Lina J. and Coleman, Maureen L. and Newman, Dianne K. (2013) Iron and Copper Act Synergistically To Delay Anaerobic Growth of Bacteria. Applied and Environmental Microbiology, 79 (12). pp. 3619-3627. ISSN 0099-2240

Lin, Fan-Chi and Tsai, Victor C. (2013) Seismic interferometry with antipodal station pairs. Geophysical Research Letters, 40 (17). pp. 4609-4613. ISSN 0094-8276.

Lòpez-Yglesias, Xerxes and Flagan, Richard C. (2013) Population Balances of Micron-Sized Aerosols in a Bipolar Ion Environment. Aerosol Science and Technology, 47 (6). pp. 681-687. ISSN 0278-6826

Trembath-Reichert, Elizabeth and Green-Saxena, Abigail and Orphan, Victoria J. (2013) Whole Cell Immunomagnetic Enrichment of Environmental Microbial Consortia Using rRNA-Targeted Magneto-FISH. In: Microbial Metagenomics, Metatranscriptomics, and Metaproteomics. Methods in Enzymology. No.531. Academic Press , pp. 21-44. ISBN 9780124078635

Kanda, Ravi V. S. and Hetland, Eric A. and Simons, Mark (2013) An asperity model for fault creep and interseismic deformation in northeastern Japan. Geophysical Journal International, 192 (1). pp. 38-57. ISSN 0956-540X

Zhan, Zhongwen and Tsai, Victor C. and Clayton, Robert W. (2013) Spurious velocity changes caused by temporal variations in ambient noise frequency content. Geophysical Journal International, 194 (3). pp. 1574-1581. ISSN 0956-540X

Minson, S. E. and Simons, M. and Beck, J. L. (2013) Bayesian inversion for finite fault earthquake source models I—theory and algorithm. Geophysical Journal International . ISSN 0956-540X

Adkins, Jess F. (2013) The role of deep ocean circulation in setting glacial climates. Paleoceanography, 28 (3). pp. 539-561. ISSN 0883-8305.

Zhang, X. and Seinfeld, J. H. (2013) A functional group oxidation model (FGOM) for SOA formation and aging. Atmospheric Chemistry and Physics, 13 (12). pp. 5907-5926. ISSN 1680-7316

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Linde Center for Global Environmental Science
California Institute of Technology
1200 E. California Blvd., MC 131-24
Pasadena, CA 91125
Phone: (626) 395-8731

Background image: NASA Goddard Space Flight Center
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