---
OA_place: publisher
OA_type: hybrid
_id: '22515'
abstract:
- lang: eng
  text: Hydrological, ecohydrological, and terrestrial biosphere models depend on
    pedotransferfunctions for computing soil hydraulic parameters based on easily
    measurable variables, such as soil texturaland physical properties. Several pedotransfer
    functions have been derived in the last few decades, providingdivergent estimates
    of soil hydraulic parameters. In this study, we quantify how uncertainties embedded
    inusing different pedotransfer functions propagate to ecosystem dynamics, including
    simulated hydrologicalfluxes and vegetation response to water availability. Using
    a state-of-the-art ecohydrological model applied at79 sites worldwide, we show
    that uncertainties related to pedotransfer functions can affect both hydrologicaland
    vegetation dynamics. Uncertainties in evapotranspiration, plant productivity,
    and vegetation structure,quantified as leaf area, are in the order of ∼10% at
    annual time scales. Runoff and groundwater rechargeuncertainties are one order
    of magnitude larger. All uncertainties are largely amplified when small-scaletopography
    is taken into account in a distributed domain, especially for water-limited ecosystems
    with lowpermeability soils. Overall, pedotransfer function related uncertainties
    for a given soil type are higher thanuncertainties across soil types in both hydrological
    and ecosystem dynamics. The magnitude of uncertainties isclimate-dependent but
    not soil type-dependent. Evapotranspiration, vegetation structure, and plant productivityuncertainties
    are higher in water-limited semiarid climates, whereas groundwater recharge uncertainties
    arehigher in climates where potential evapotranspiration is comparable to precipitation.
article_number: e2021WR031871
article_processing_charge: No
article_type: original
author:
- first_name: Athanasios
  full_name: Paschalis, Athanasios
  last_name: Paschalis
- first_name: Sara
  full_name: Bonetti, Sara
  last_name: Bonetti
- first_name: Yanran
  full_name: Guo, Yanran
  last_name: Guo
- first_name: Simone
  full_name: Fatichi, Simone
  id: cf8e546b-a9b0-11f0-a43b-aa89ed1b56d6
  last_name: Fatichi
citation:
  ama: Paschalis A, Bonetti S, Guo Y, Fatichi S. On the uncertainty induced by pedotransfer
    functions in terrestrial biosphere modeling. <i>Water Resources Research</i>.
    2022;58(9). doi:<a href="https://doi.org/10.1029/2021wr031871">10.1029/2021wr031871</a>
  apa: Paschalis, A., Bonetti, S., Guo, Y., &#38; Fatichi, S. (2022). On the uncertainty
    induced by pedotransfer functions in terrestrial biosphere modeling. <i>Water
    Resources Research</i>. American Geophysical Union. <a href="https://doi.org/10.1029/2021wr031871">https://doi.org/10.1029/2021wr031871</a>
  chicago: Paschalis, Athanasios, Sara Bonetti, Yanran Guo, and Simone Fatichi. “On
    the Uncertainty Induced by Pedotransfer Functions in Terrestrial Biosphere Modeling.”
    <i>Water Resources Research</i>. American Geophysical Union, 2022. <a href="https://doi.org/10.1029/2021wr031871">https://doi.org/10.1029/2021wr031871</a>.
  ieee: A. Paschalis, S. Bonetti, Y. Guo, and S. Fatichi, “On the uncertainty induced
    by pedotransfer functions in terrestrial biosphere modeling,” <i>Water Resources
    Research</i>, vol. 58, no. 9. American Geophysical Union, 2022.
  ista: Paschalis A, Bonetti S, Guo Y, Fatichi S. 2022. On the uncertainty induced
    by pedotransfer functions in terrestrial biosphere modeling. Water Resources Research.
    58(9), e2021WR031871.
  mla: Paschalis, Athanasios, et al. “On the Uncertainty Induced by Pedotransfer Functions
    in Terrestrial Biosphere Modeling.” <i>Water Resources Research</i>, vol. 58,
    no. 9, e2021WR031871, American Geophysical Union, 2022, doi:<a href="https://doi.org/10.1029/2021wr031871">10.1029/2021wr031871</a>.
  short: A. Paschalis, S. Bonetti, Y. Guo, S. Fatichi, Water Resources Research 58
    (2022).
das_tickbox: '1'
date_created: 2026-07-27T12:30:24Z
date_published: 2022-09-01T00:00:00Z
date_updated: 2026-08-06T11:26:11Z
day: '01'
doi: 10.1029/2021wr031871
extern: '1'
intvolume: '        58'
issue: '9'
language:
- iso: eng
main_file_link:
- url: https://doi.org/10.1029/2021WR031871
month: '09'
oa_version: Published Version
publication: Water Resources Research
publication_identifier:
  eissn:
  - 1944-7973
  issn:
  - 0043-1397
publication_status: published
publisher: American Geophysical Union
quality_controlled: '1'
scopus_import: '1'
status: public
title: On the uncertainty induced by pedotransfer functions in terrestrial biosphere
  modeling
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
volume: 58
year: '2022'
...