Browsing by Author "Richter, Daniel deB"

Now showing items 1-4 of 4

    • Development and deployment of a field-portable soil O2 and CO2 gas analyzer and sampler. 

      Brecheisen, Zachary S; Cook, Charles W; Heine, Paul R; Ryang, Junmo; Richter, Daniel deB (PloS one, 2019-01)
      Here we present novel method development and instruction in the construction and use of Field Portable Gas Analyzers study of belowground aerobic respiration dynamics of deep soil systems. Our Field-Portable Gas Analysis ...

    • 'One physical system': Tansley's ecosystem as Earth's critical zone. 

      Richter, Daniel deB; Billings, Sharon A (The New phytologist, 2015-05)
      Integrative concepts of the biosphere, ecosystem, biogeocenosis and, recently, Earth's critical zone embrace scientific disciplines that link matter, energy and organisms in a systems-level understanding of our remarkable ...

    • Residential metal contamination and potential health risks of exposure in adobe brick houses in Potosí, Bolivia. 

      McEwen, Abigail R; Hsu-Kim, Heileen; Robins, Nicholas A; Hagan, Nicole A; Halabi, Susan; Barras, Olivo; Richter, Daniel deB; ... (8 authors) (The Science of the total environment, 2016-08)
      Potosí, Bolivia, is the site of centuries of historic and present-day mining of the Cerro Rico, a mountain known for its rich polymetallic deposits, and was the site of large-scale Colonial era silver refining operations. ...

    • The Anthropocene is functionally and stratigraphically distinct from the Holocene. 

      Waters, Colin N; Zalasiewicz, Jan; Summerhayes, Colin; Barnosky, Anthony D; Poirier, Clément; Gałuszka, Agnieszka; Cearreta, Alejandro; ... (24 authors) (Science (New York, N.Y.), 2016-01)
      Human activity is leaving a pervasive and persistent signature on Earth. Vigorous debate continues about whether this warrants recognition as a new geologic time unit known as the Anthropocene. We review anthropogenic markers ...