Atmospheric turbulence over crops : confronting theories with observations

A. van de Boer

Research output: Thesisinternal PhD, WU

Abstract

Atmospheric turbulence plays a key role in hydrological and carbon cycles, and in weather and climate. Understanding and forecasting turbulence is thereby relevant for human life and environment.

We deal with some major challenges for studying atmospheric turbulence over crops. Land-atmosphere interactions are specifically complex because of surface heterogeneity. Also, boundary-layer entrainment complicates measuring and studying surface fluxes. Furthermore, the absence of high-frequency observations and of measurements of underlying soil and vegetation processes impedes studying land-atmosphere interactions.

We show the applicability of analytical footprint models over a heterogeneous land surface, and the validity of Monin-Obukhov similarity theory for a strongly-convective boundary-layer.  Moreover, we present improvements on a scheme that can be used to estimate the amount of atmospheric turbulence from single-level weather data. We furthermore suggest to improve the partitioning theory that is used to distinguish soil processes from plant processes in eddy-covariance flux observations.

Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • Wageningen University
Supervisors/Advisors
  • Holtslag, Bert, Promotor
  • Moene, Arnold, Co-promotor
  • Graf, A., Co-promotor, External person
Award date6 Feb 2015
Place of PublicationWageningen
Publisher
Print ISBNs9789462572416
Publication statusPublished - 2015

Fingerprint

turbulence
crop
weather
convective boundary layer
atmosphere
hydrological cycle
eddy covariance
surface flux
carbon cycle
footprint
entrainment
land surface
partitioning
boundary layer
vegetation
climate
soil
land

Keywords

  • turbulence
  • meteorology
  • atmosphere
  • crops
  • water use efficiency
  • transpiration
  • models
  • eddy covariance
  • turbulent flow

Cite this

van de Boer, A. (2015). Atmospheric turbulence over crops : confronting theories with observations. Wageningen: Wageningen University.
van de Boer, A.. / Atmospheric turbulence over crops : confronting theories with observations. Wageningen : Wageningen University, 2015. 143 p.
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title = "Atmospheric turbulence over crops : confronting theories with observations",
abstract = "Atmospheric turbulence plays a key role in hydrological and carbon cycles, and in weather and climate. Understanding and forecasting turbulence is thereby relevant for human life and environment. We deal with some major challenges for studying atmospheric turbulence over crops. Land-atmosphere interactions are specifically complex because of surface heterogeneity. Also, boundary-layer entrainment complicates measuring and studying surface fluxes. Furthermore, the absence of high-frequency observations and of measurements of underlying soil and vegetation processes impedes studying land-atmosphere interactions. We show the applicability of analytical footprint models over a heterogeneous land surface, and the validity of Monin-Obukhov similarity theory for a strongly-convective boundary-layer.  Moreover, we present improvements on a scheme that can be used to estimate the amount of atmospheric turbulence from single-level weather data. We furthermore suggest to improve the partitioning theory that is used to distinguish soil processes from plant processes in eddy-covariance flux observations.",
keywords = "turbulentie, meteorologie, atmosfeer, gewassen, watergebruiksrendement, transpiratie, modellen, eddy-covariantie, turbulente stroming, turbulence, meteorology, atmosphere, crops, water use efficiency, transpiration, models, eddy covariance, turbulent flow",
author = "{van de Boer}, A.",
note = "WU thesis 5977",
year = "2015",
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isbn = "9789462572416",
publisher = "Wageningen University",
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van de Boer, A 2015, 'Atmospheric turbulence over crops : confronting theories with observations', Doctor of Philosophy, Wageningen University, Wageningen.

Atmospheric turbulence over crops : confronting theories with observations. / van de Boer, A.

Wageningen : Wageningen University, 2015. 143 p.

Research output: Thesisinternal PhD, WU

TY - THES

T1 - Atmospheric turbulence over crops : confronting theories with observations

AU - van de Boer, A.

N1 - WU thesis 5977

PY - 2015

Y1 - 2015

N2 - Atmospheric turbulence plays a key role in hydrological and carbon cycles, and in weather and climate. Understanding and forecasting turbulence is thereby relevant for human life and environment. We deal with some major challenges for studying atmospheric turbulence over crops. Land-atmosphere interactions are specifically complex because of surface heterogeneity. Also, boundary-layer entrainment complicates measuring and studying surface fluxes. Furthermore, the absence of high-frequency observations and of measurements of underlying soil and vegetation processes impedes studying land-atmosphere interactions. We show the applicability of analytical footprint models over a heterogeneous land surface, and the validity of Monin-Obukhov similarity theory for a strongly-convective boundary-layer.  Moreover, we present improvements on a scheme that can be used to estimate the amount of atmospheric turbulence from single-level weather data. We furthermore suggest to improve the partitioning theory that is used to distinguish soil processes from plant processes in eddy-covariance flux observations.

AB - Atmospheric turbulence plays a key role in hydrological and carbon cycles, and in weather and climate. Understanding and forecasting turbulence is thereby relevant for human life and environment. We deal with some major challenges for studying atmospheric turbulence over crops. Land-atmosphere interactions are specifically complex because of surface heterogeneity. Also, boundary-layer entrainment complicates measuring and studying surface fluxes. Furthermore, the absence of high-frequency observations and of measurements of underlying soil and vegetation processes impedes studying land-atmosphere interactions. We show the applicability of analytical footprint models over a heterogeneous land surface, and the validity of Monin-Obukhov similarity theory for a strongly-convective boundary-layer.  Moreover, we present improvements on a scheme that can be used to estimate the amount of atmospheric turbulence from single-level weather data. We furthermore suggest to improve the partitioning theory that is used to distinguish soil processes from plant processes in eddy-covariance flux observations.

KW - turbulentie

KW - meteorologie

KW - atmosfeer

KW - gewassen

KW - watergebruiksrendement

KW - transpiratie

KW - modellen

KW - eddy-covariantie

KW - turbulente stroming

KW - turbulence

KW - meteorology

KW - atmosphere

KW - crops

KW - water use efficiency

KW - transpiration

KW - models

KW - eddy covariance

KW - turbulent flow

M3 - internal PhD, WU

SN - 9789462572416

PB - Wageningen University

CY - Wageningen

ER -

van de Boer A. Atmospheric turbulence over crops : confronting theories with observations. Wageningen: Wageningen University, 2015. 143 p.