Isotopic composition of water in fog, rain, throughfall and stemflow in the Monte Verde, Costa Rica

Fog deposition, precipitation, throughfall and stemflow were measured in a windward tropical montane cloud forest near Monteverde, Costa Rica, for a 65-day period during the dry season of 2003. Net fog deposition was measured directly using the eddy covariance (EC) method and it amounted to 1.2 ± 0.1 mm/day (mean ± standard error). Fog water deposition was 5–9% of incident rainfall for the entire period, which is at the low end of previously reported values. Stable isotope concentrations (d18O and d2H) were determined in a large number of samples of each water component. Mass balance-based estimates of fog deposition were 1.0 ± 0.3 and 5.0 ± 2.7 mm/day (mean ± SE) when d18O and d2H were used as tracer, respectively. Comparisons between direct fog deposition measurements and the results of the mass balance model using d18O as a tracer indicated that the latter might be a good tool to estimate fog deposition in the absence of direct measurement under many (but not all) conditions. At 506 mm, measured water inputs over the 65 days (fog plus rain) fell short by 46 mm compared to the canopy output of 552 mm (throughfall, stemflow and interception evaporation). This discrepancy is attributed to the underestimation of rainfall during conditions of high wind.

Data and Resources

This dataset has no data

Cite this as

Schmid, Simone, Burkard, Reto, Frumau, K F A, Tobón, C, Bruijnzeel, L Adrian, Siegwolf, Rolf T E, Eugster, Werner (2011). Dataset: Isotopic composition of water in fog, rain, throughfall and stemflow in the Monte Verde, Costa Rica. https://doi.org/10.1594/PANGAEA.735614

DOI retrieved: 2011

Additional Info

Field Value
Imported on November 29, 2024
Last update November 29, 2024
License CC-BY-3.0
Source https://doi.org/10.1594/PANGAEA.735614
Author Schmid, Simone
Given Name Simone
Family Name Schmid
More Authors
Burkard, Reto
Frumau, K F A
Tobón, C
Bruijnzeel, L Adrian
Siegwolf, Rolf T E
Eugster, Werner
Source Creation 2011
Publication Year 2011
Resource Type text/tab-separated-values - filename: Eugster-CR-Isotopes-2003
Subject Areas
Name: LakesRivers

Related Identifiers
Title: Using eddy covariance and stable isotope mass balance techniques to estimate fog water contributions to a Costa Rican cloud forest during the dry season
Identifier: https://doi.org/10.1002/hyp.7739
Type: DOI
Relation: IsSupplementTo
Year: 2011
Source: Hydrological Processes
Authors: Schmid Simone , Burkard Reto , Frumau K F A , Tobón C , Bruijnzeel L Adrian , Siegwolf Rolf T E , Eugster Werner .

Title: The role of cloud and fog water inputs in the hydrolocial budget of a tropical cloud forest ecosystem in Costa Rica
Identifier: hdl:10013/epic.34719.d001
Type: DOI
Relation: References
Year: 2003
Source: Final report of Swiss National Science Foundation Project 2100-068051.02, Institute of Geography, University of Bern
Authors: Burkard Reto , Schmid Simone , Eugster Werner , Schmid Simone .

Title: Water and ion fluxes to a tropical montane cloud forest ecosystem in Costa Rica
Identifier: hdl:10013/epic.34606.d001
Type: DOI
Relation: References
Year: 2004
Source: Diploma Thesis, University of Bern, Institute of Geography
Authors: Burkard Reto , Schmid Simone , Eugster Werner , Schmid Simone .