Thirty years of hydrometeorologic data at the Hubbard Brook Experiment Forest, New Hampshire

Federer, Anthony C.; Flynn, Louise D.; Martin, Wayne C.; Hornbeck, James W.; Pierce, Robert S.

doi:10.2737/ne-gtr-141

Cited by 49 publications

(7 citation statements)

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“…In December 1989, snowpack depth at HF ranged from 10 to 31 cm, with lowest depths early in the month (days 1-14) when mean daily temperatures ranged from -11.4 to -18.6 °C. At HBEF during this period, when mean daily temperatures ranged from -7 to -19 °C, freezing of the forest floor occurred beneath a 13-cm (43 mm of water) snow pack (station 2, December 4, 1989) (21). Although the actual extent and depth of soil frost were not known for these catchments, it is expected that freezing would have been greatest in exposed areas at high elevations.…”

Section: Resultsmentioning

confidence: 95%

Climatic Control of Nitrate Loss from Forested Watersheds in the Northeast United States

Mitchell

Driscoll

Kahl

et al. 1996

Environ. Sci. Technol.

291

201

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Increased losses of nitrate from watersheds may accelerate the depletion of nutrient cations and affect the acidification and trophic status of surface waters. Patterns of nitrate concentrations and losses were evaluated in four forested watersheds (East Bear Brook Watershed, Lead Mountain, ME; Watershed 6, Hubbard Brook Experimental Forest, White Mountains, NH; Arbutus Watershed, Huntington Forest, Adirondack Mountains, NY; Biscuit Brook, Catskill Mountains, NY) located across the northeastern United States. A synchronous pattern was observed in nitrate concentrations of drainage waters from these four sites from 1983 through 1993. Most notably, high concentrations and high drainage water losses followed an anomalous cold period (mean daily temperature −11.4 to −16 °C in December 1989) for all four sites. After high nitrate losses during the snowmelt of 1990, nitrate concentrations and fluxes decreased at all sites. These results suggest that climatic variation can have a major effect on nitrogen flux and cycling and may influence temporal patterns of nitrate loss in a region.

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Section: Resultsmentioning

confidence: 95%

Climatic Control of Nitrate Loss from Forested Watersheds in the Northeast United States

Mitchell

Driscoll

Kahl

et al. 1996

Environ. Sci. Technol.

291

201

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“…Gauge sites were initially instrumented with standard cumulative rain gauges that were shielded (Alter type), located in maintained forest openings and measured weekly (Leonard & Reinhart, 1963). A subset of sites also included a Belfort weighing rain gauge used to distribute weekly precipitation into individual days (Federer, 1990; Green et al, 2018; Leonard & Reinhart, 1963). Since June 2016, 15‐minute precipitation has been measured with a shielded (Alter type) ETI NOAH IV digital weighing rain gauge, summed for each day.…”

Section: Methodsmentioning

confidence: 99%

A catchment water balance assessment of an abrupt shift in evapotranspiration at the Hubbard Brook Experimental Forest, New Hampshire, USA

Green

Bailey

Campbell

et al. 2021

Hydrological Processes

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Small catchments have served as sentinels of forest ecosystem responses to changes in air quality and climate. The Hubbard Brook Experimental Forest in New Hampshire has been tracking catchment water budgets and their controls -meteorology and vegetation -since 1956.Water budgets in four reference catchments indicated an approximately 30% increase in the evapotranspiration (ET) as estimated by the difference between precipitation (P) and runoff (RO) starting in 2010 and continuing through 2019. We analyzed the annual water budgets, cumulative deviations of the daily P, RO, and water budget residual (WBR = P -RO), potential ET, and indicators of subsurface storage to gain greater insight into this shift in the water budgets. The potential ET and the subsurface storage indicators suggest that this change in WBR was primarily due to increasing ET. While multiple long-term hydrological and micrometeorological data sets were used to detect and investigate this change in ET, additional measurements of groundwater storage and soil moisture would enable better estimation of ET within the catchment water balance. Increasing the breadth of long-term measurements across small gauged catchments allows them to serve as more effective sentinels of substantial hydrologic changes like the ET increase that we observed. This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process which may lead to differences between this version and the Version of Record. Please cite this article as

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“…J o u r n a l P r e -p r o o f Federer (1990); Holmes and Likens (2016)). A sample campaign driven by a spatially-distributed model can point to locations and times where data is most informative.…”

Section: Model-data Connectionmentioning

confidence: 99%

Challenges in studying water fluxes within the soil-plant-atmosphere continuum: A tracer-based perspective on pathways to progress

Orlowski

Rinderer

Dubbert³

et al. 2023

Science of The Total Environment

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Thirty years of hydrometeorologic data at the Hubbard Brook Experiment Forest, New Hampshire

Cited by 49 publications

References 0 publications

Climatic Control of Nitrate Loss from Forested Watersheds in the Northeast United States

Climatic Control of Nitrate Loss from Forested Watersheds in the Northeast United States

A catchment water balance assessment of an abrupt shift in evapotranspiration at the Hubbard Brook Experimental Forest, New Hampshire, USA

Challenges in studying water fluxes within the soil-plant-atmosphere continuum: A tracer-based perspective on pathways to progress

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