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  Is there a classical inertial sublayer over the Amazon forest?

Dias-Júnior, C. Q., Dias, N. L., Santos, R. M. N. d., Sörgel, M., Araújo, A., Tsokankunku, A., et al. (2019). Is there a classical inertial sublayer over the Amazon forest? Geophysical Research Letters, 46(10), 5614-5622. doi:10.1029/2019GL083237.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0003-89E7-E Version Permalink: https://hdl.handle.net/21.11116/0000-000A-4F7E-2
Genre: Journal Article

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 Creators:
Dias-Júnior, Cléo Quaresma, Author
Dias, Nelson Luís, Author
Santos, Rosa Maria N. dos, Author
Sörgel, Matthias1, Author
Araújo, Alessandro, Author
Tsokankunku, Anywhere, Author
Ditas, Florian, Author
de Santana, Raoni Aquino, Author
von Randow, Celso, Author
Sá, Marta, Author
Pöhlker, Christopher, Author
Machado, Luiz Augusto Toledo, Author
de Sá, Leonardo Deane, Author
Moran-Zuloaga, Daniel, Author
Jannsen, Ruud, Author
Acevedo, Otávio, Author
Oliveira, Pablo, Author
Fisch, Gilberto, Author
Chor, Tomás, Author
Manzi, Antonio, Author
Affiliations:
1External Organizations, ou_persistent22              

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 Abstract: On the basis of measurements over different surfaces, an inertial sublayer (ISL), where Monin‐Obukhov Similarity Theory (MOST) applies, exists above z = 3h, where h is canopy height. The roughness sublayer (RSL) is within h < z < 3h. Most studies of the surface layer (SL) above forests, however, are able to probe only a narrow region above h. Therefore, direct verification of an ISL above tall forests is difficult. In this study we conducted a systematic analysis of unstable turbulence characteristics at heights from 40 to 325 m, measured at an 80‐m and the recently built 325‐m ATTO towers over the Amazon Forest. Our analyses have revealed no indication of the existence of an ISL; instead, the RSL directly merges with the convective mixed layer (ML) above. Implications for estimates of momentum and scalar fluxes in numerical models and observational studies can be significant.

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 Dates: 2019-04-242019-04-202019-05-28
 Publication Status: Issued
 Pages: -
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 Identifiers: Other: BEX681
DOI: 10.1029/2019GL083237
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Title: Geophysical Research Letters
  Abbreviation : GRL
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Geophysical Union / Wiley
Pages: - Volume / Issue: 46 (10) Sequence Number: - Start / End Page: 5614 - 5622 Identifier: ISSN: 0094-8276
CoNE: https://pure.mpg.de/cone/journals/resource/954925465217