Book contents
- Frontmatter
- Contents
- List of contributors
- Foreword
- Preface
- Acknowledgements
- Part I General perspectives
- Part II Regional floristic and animal diversity
- Part III Hydrometeorology of tropical montane cloud forest
- 20 Hydrometeorological patterns in relation to montane forest types along an elevational gradient in the Yungas of Bolivia
- 21 Structure and dynamics of tropical montane cloud forests under contrasting biophysical conditions in north-western Costa Rica
- 22 Quantitative measures of immersion in cloud and the biogeography of cloud forests
- 23 Understanding the role of fog in forest hydrology: stable isotopes as tools for determining input and partitioning of cloud water in montane forests
- 24 Using stable isotopes to identify orographic precipitation events at Monteverde, Costa Rica
- 25 Using “biosensors” to elucidate rates and mechanisms of cloud water interception by epiphytes, leaves, and branches in a sheltered Colombian cloud forest
- 26 Water dynamics of epiphytic vegetation in a lower montane cloud forest: fog interception, storage, and evaporation
- 27 Epiphyte biomass in Costa Rican old-growth and secondary montane rain forests and its hydrological significance
- 28 Comparison of passive fog gages for determining fog duration and fog interception by a Puerto Rican elfin cloud forest
- 29 Fog interception in a Puerto Rican elfin cloud forest: a wet-canopy water budget approach
- 30 Fog gage performance under conditions of fog and wind-driven rain
- 31 The wet-canopy water balance of a Costa Rican cloud forest during the dry season
- 32 Measured and modeled rainfall interception in a lower montane forest, Ecuador
- 33 Measuring cloud water interception in the Tambito forests of southern Colombia
- 34 Relationships between rainfall, fog, and throughfall at a hill evergreen forest site in northern Thailand
- 35 History of fog and cloud water interception research in Hawai'i
- 36 Interpreting canopy water balance and fog screen observations: separating cloud water from wind-blown rainfall at two contrasting forest sites in Hawai'i
- 37 Historical background of fog water collection studies in the Canary Islands
- 38 Effects of fog on climatic conditions at a sub-tropical montane cloud forest site in northern Tenerife (Canary Islands, Spain)
- Part IV Nutrient dynamics in tropical montane cloud forests
- Part V Cloud forest water use, photosynthesis, and effects of forest conversion
- Part VI Effects of climate variability and climate change
- Part VII Cloud forest conservation, restoration, and management issues
- References
33 - Measuring cloud water interception in the Tambito forests of southern Colombia
from Part III - Hydrometeorology of tropical montane cloud forest
Published online by Cambridge University Press: 03 May 2011
By
Book contents
- Frontmatter
- Contents
- List of contributors
- Foreword
- Preface
- Acknowledgements
- Part I General perspectives
- Part II Regional floristic and animal diversity
- Part III Hydrometeorology of tropical montane cloud forest
- 20 Hydrometeorological patterns in relation to montane forest types along an elevational gradient in the Yungas of Bolivia
- 21 Structure and dynamics of tropical montane cloud forests under contrasting biophysical conditions in north-western Costa Rica
- 22 Quantitative measures of immersion in cloud and the biogeography of cloud forests
- 23 Understanding the role of fog in forest hydrology: stable isotopes as tools for determining input and partitioning of cloud water in montane forests
- 24 Using stable isotopes to identify orographic precipitation events at Monteverde, Costa Rica
- 25 Using “biosensors” to elucidate rates and mechanisms of cloud water interception by epiphytes, leaves, and branches in a sheltered Colombian cloud forest
- 26 Water dynamics of epiphytic vegetation in a lower montane cloud forest: fog interception, storage, and evaporation
- 27 Epiphyte biomass in Costa Rican old-growth and secondary montane rain forests and its hydrological significance
- 28 Comparison of passive fog gages for determining fog duration and fog interception by a Puerto Rican elfin cloud forest
- 29 Fog interception in a Puerto Rican elfin cloud forest: a wet-canopy water budget approach
- 30 Fog gage performance under conditions of fog and wind-driven rain
- 31 The wet-canopy water balance of a Costa Rican cloud forest during the dry season
- 32 Measured and modeled rainfall interception in a lower montane forest, Ecuador
- 33 Measuring cloud water interception in the Tambito forests of southern Colombia
- 34 Relationships between rainfall, fog, and throughfall at a hill evergreen forest site in northern Thailand
- 35 History of fog and cloud water interception research in Hawai'i
- 36 Interpreting canopy water balance and fog screen observations: separating cloud water from wind-blown rainfall at two contrasting forest sites in Hawai'i
- 37 Historical background of fog water collection studies in the Canary Islands
- 38 Effects of fog on climatic conditions at a sub-tropical montane cloud forest site in northern Tenerife (Canary Islands, Spain)
- Part IV Nutrient dynamics in tropical montane cloud forests
- Part V Cloud forest water use, photosynthesis, and effects of forest conversion
- Part VI Effects of climate variability and climate change
- Part VII Cloud forest conservation, restoration, and management issues
- References
Summary
ABSTRACT
This chapter discusses the results obtained with passive cloud water collectors installed at five elevations between 1400 and 2400 m.a.s.l. in the Tambito area of southern Colombia. Harp-based cloud water interception (CWI) proved significantly higher in the upper montane cloud forest (UMCF) zone (>2200 m.a.s.l.) compared to the lower montane cloud forest (LMCF) zone. Average CWI values ranged from 0.1 to 1.3 mm day−1 but there was no significant correlation between altitude and average CWI below the main cloud belt, presumably due to differences in exposure between sites. Furthermore, CWI exhibited differences in seasonality with elevation, with maximum CWI/rainfall ratios in the UMCF zone during the dry season and earlier in the year at lower elevations. In addition, a comparison of the wire harp to the more widely use method of measuring the excess throughfall minus rainfall was explored in the LMCF.
INTRODUCTION
Despite the importance of cloud water interception (CWI) to the water budget of tropical montane cloud forest (TMCF), its quantification remains difficult. Various types of artificial cloud water collectors have been used to monitor fog incidence at many TMCF sites (Bruijnzeel and Proctor, 1995; Bruijnzeel 2001), but there is no standard device to monitor CWI. Interpreting the results obtained with fog collectors is confounded by the difficulty to distinguish rainfall from fog (cf. Frumau et al., this volume; Giambelluca et al., this volume; Tanaka et al., this volume), whereas the fog catch of some types of gages is also affected by wind direction (Juvik and Nullet, 1995a; García-Santos, 2007).
- Type
- Chapter
- Information
- Tropical Montane Cloud ForestsScience for Conservation and Management, pp. 317 - 323Publisher: Cambridge University PressPrint publication year: 2011
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