The effect of the ‘Las Maquinas’ wildfire of 2017 on the hydrologic balance of a high conservation value Hualo (Nothofagus glauca (Phil.) Krasser) forest in central Chile

Balocchi, Francisco; Flores, Neftali; Neary, Daniel G.; White, D. A.; Silberstein, Richard; Arellano, Pablo Ramírez de

doi:10.1016/j.foreco.2020.118482

Cited by 16 publications

(35 citation statements)

References 46 publications

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“…Rain gauge locations are available within a kmz (Keyhole Markup Language Zipped) file inside the rainfall folder in the repository . Some of these data have been published by Balocchi, Flores, et al (2020) The differences in the recession coefficients were not statistically significant in winter but there were some statistical differences in summer and these differences were attributed to morphological characteristics between catchments and the effect of land cover (native forest and plantation) in the Q2 and Q3 catchments in the northern part of the study site.…”

Section: Data Acquisitionmentioning

confidence: 77%

“…This relationship was used to fill any gaps in the data. Periods of missing data from the Forel station prior to August 2016 were filled using data from the next nearest Note: Quivolgo catchments were completely burned by the megafires of 2017 (Balocchi, Flores, et al 2020). For more information on catchment land cover changes refer to the repository at .…”

Section: Data Acquisitionmentioning

confidence: 99%

“…This relationship was used to fill any gaps in the data. Periods of missing data from the Forel station prior to August 2016 were filled using data from the next nearest DGA station at Nirivilo, also using a linear regression (Balocchi, Flores, et al, 2020).…”

Section: Data Acquisitionmentioning

confidence: 99%

“…Some of these data have been published by Balocchi, Flores, et al (2020) who have analysed, for the first time in Chile, the hydrologic balance pre‐ and post‐fire within a High Conservation Value Hualo ( Nothofagus glauca [Phil.] Krasser) forest in Central Chile.…”

Section: Data Acquisitionmentioning

confidence: 99%

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Forestal Arauco experimental research catchments; daily rainfall‐runoff for 10 catchments with different forest types in Central‐Southern Chile

Balocchi

White

Silberstein

et al. 2021

Hydrological Processes

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Forestal Arauco (FA), a global manufacturer of forest products, manages more than 1 million ha of forest plantations and oversees the conservation of more than half a million hectares of native forest and vegetation in Brazil, Argentina and Chile. In 2008, FA responded to local concerns about the effect of plantations on water resources and commenced streamflow monitoring in catchments in the coastal range of centralsouthern Chile between 35 and 39 of latitude south. This data note presents an overview of daily streamflow and rainfall records for 10 small catchments (18-112 ha) from 2008 to 2018. The catchments are covered by three different forest types, namely native forest (2), pine plantations of different ages (6) and eucalypt plantations(2). All of these catchments share similar metamorphic geology. A 90 V notch weir was built at each catchment outlet and data collected at 5 min interval using a pressure transducer that was calibrated monthly. The dataset is part of a research programme aiming to improve our understanding about the role of forest plantations on water balance at a stand and catchment level. It also includes the rainfall data from these catchments estimated using a combination of local rain gauges and data from the longer term records of the Chilean Directorate of Water. This dataset can be used in hydrological modelling and in a wide range of research questions and water management issues regarding forest plantations in a Mediterranean climate.

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Section: Data Acquisitionmentioning

confidence: 77%

Section: Data Acquisitionmentioning

confidence: 99%

Section: Data Acquisitionmentioning

confidence: 99%

Section: Data Acquisitionmentioning

confidence: 99%

See 2 more Smart Citations

Forestal Arauco experimental research catchments; daily rainfall‐runoff for 10 catchments with different forest types in Central‐Southern Chile

Balocchi

White

Silberstein

et al. 2021

Hydrological Processes

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“…The forest covers of the eight catchments are either native forest, Pinus or Eucalyptus plantations. Quivolgo 2 has a native forest cover dominated by Nothofagus glauca (Phil) Krasser (Balocchi et al, 2020). Quivolgo 3 is 61% P. radiata (D.Don), predominantly in the upper parts of the catchment and 25% covered by a similar native forest to Q2, and the remainder a predominantly evergreen forest mix in the lower gullies.…”

Section: Methodsmentioning

confidence: 99%

Comparison of streamflow recession between plantations and native forests in small catchments in Central‐Southern Chile

Balocchi

Flores

Arumí

et al. 2021

Hydrological Processes

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In central Chile, many communities rely on water obtained from small catchments in the coastal mountains. Water security for these communities is most vulnerable during the summer dry season and, from 2010 to 2017, rainfall during the dry season was between 20% and 40% below the long‐term average. The rate of decrease in stream flow after a rainfall event is a good measure of the risk of flow decreasing below a critical threshold. This risk of low flow can be quantified using a recession coefficient (α) that is the slope of an exponential decay function relating flow to time since rainfall. A mathematical model was used to estimate the recession coefficient (α) for 142 rainstorm events (64 in summer; 78 in winter) in eight monitored catchments between 2008 and 2017. These catchments all have a similar geology and extend from 35 to 39 degrees of latitude south in the coastal range of south‐central Chile. A hierarchical cluster analysis was used to test for differences between the mean value of α for different regions and forest types in winter and summer. The value of α did not differ (p < 0.05) between catchments in winter. Some differences were observed during summer and these were attributed to morphological differences between catchments and, in the northernmost catchments, the effect of land cover (native forest and plantation). Moreover, α for catchments with native forest was similar to those with pine plantations, although there was no difference (p < 0.05) between these and Eucalyptus plantations. The recession constant is a well‐established method for understanding the effect of climate and disturbance on low flows and baseflows and can enhance local and regional analyses of hydrological processes. Understanding the recession of flow after rainfall in small headwater catchments, especially during summer, is vital for water resources management in areas where the establishment of plantations has occurred in a drying climate.

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Analysis of indicators of climate extremes and projection of groundwater recharge in the northern part of the Rio de Janeiro state, Brazil

Cordeiro

Silva

Dereczynski

et al. 2021

Environ Dev Sustain

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Climate change can affect directly the hydrological cycle and influence groundwater availability due to the direct or indirect impact on recharge and discharge processes. The present investigation focuses on groundwater recharge processes in a fluvial-deltaic aquifer in the northern part of the Rio de Janeiro state (Brazil), a region that relies on groundwater resources and where meteorological data indicate a shift from tropical humid climatic conditions to semiarid. The main objective is to understand how groundwater resources respond to the consequences of climate change on groundwater recharge, in order to improve groundwater management practices and guarantee quantitative and qualitative good status. Climate models' data and projections were used as a tool to provide a better understanding of how climate change can modify the dynamics in the studied groundwater system. The present climate indices for extreme temperature and precipitation were examined in order to establish the current climatology for the study area, and the Thornthwaite−Mather hydrometeorological balance (TMHB) was used to calculate inputs to the aquifer. Projections for annual rainfall and air temperature for the period 2041-2070 obtained from Eta5km_HadGEM2-ES outputs for the Intergovernmental Panel on Climate Change scenarios RCP4.5 and RCP8.5 were used to estimate recharge to the aquifer using the hydrological code Visual Balan v2.0. Results revealed a tendency to air temperature increase and decrease in precipitation rate for the period of study. Consequently, there was a reduction of recharge in both IPCC scenarios used for the estimation, indicating a decrease in the groundwater resources stored in the region. These results place new challenges to guarantee sustainable groundwater management and the achievement of new aquifer system equilibrium to adapt to climate change impacts.

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The effect of the ‘Las Maquinas’ wildfire of 2017 on the hydrologic balance of a high conservation value Hualo (Nothofagus glauca (Phil.) Krasser) forest in central Chile

Cited by 16 publications

References 46 publications

Forestal Arauco experimental research catchments; daily rainfall‐runoff for 10 catchments with different forest types in Central‐Southern Chile

Forestal Arauco experimental research catchments; daily rainfall‐runoff for 10 catchments with different forest types in Central‐Southern Chile

Comparison of streamflow recession between plantations and native forests in small catchments in Central‐Southern Chile

Analysis of indicators of climate extremes and projection of groundwater recharge in the northern part of the Rio de Janeiro state, Brazil

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