70,480 Works

Greenhouse gas fluxes and concentrations and associated habitat data in western Dane County, Wisconsin, USA, streams during the 2018 growing season

Sam R Blackburn & Emily H Stanley
Streams are often sources of carbon dioxide (CO2) and methane (CH4), particularly in agricultural regions where sediment and organic matter inputs can be substantial. Floods are occurring more often and more intensely in southern Wisconsin, one such agricultural region, due to climate change and few studies have investigated how floods impact stream CO2 and CH4 fluxes and concentrations. I compared concentrations and fluxes of CO2 and CH4 with greater than 30 variables representing in-stream and...

Annual snow survey, Green Lakes Valley, Niwot Ridge, Colorado, 2013-ongoing

Jennifer Morse
Yearly snow surveys were conducted in the Green Lakes Valley in the City of Boulder Watershed at the estimated peak of snowpack in late spring. Over a period of several days, surveying teams (1 to several people) traversed valley slopes measuring snow depth with avalanche probes. Locations of each depth measurement were recorded as waypoints in Garmin hand-held GPS units (eTrex Legend and eTrex Legend H models). Snow depths were recorded on standardized field sheets...

Coweeta hillslope soil model drainage experiments 2016-17

Coweeta Long Term Ecological Research Program & Raymond M. Lee
This data file has Time (days) and Outflow (liters/day) for all iterations of the drainage experiments (i.e., original circa 1963, experiment replicates circa 2016-2017, and HYDRUS model simulations circa 2016) performed on the experimental hillslope soil model described in Hewlett and Hibbert (1963) at Coweeta Hydrologic Laboratory.

Stable carbon and oxygen isotopes in tree rings and basal area increment from mature temperate forests within the AmeriFlux network.

Rossella Guerrieri, Soumaya Belmecheri, Katie Jennings, Scott V Ollinger, Heidi Asbjornsen & Jingfing Xiao
Data were used to investigate long-term changes in tree intrinsic water use efficiency (iWUE, i.e., the ratio between CO2 assimilation and stomatal conductance) and the underlying physiological mechanisms. We used delta18O to estimate the 18O enrichment in leaf water above the source water, Delta18OLW. Moreover we assessed the relationship between isotope-derived parameters and atmospheric CO2 (ca) and climate factors. Isotope-related parameters included in the dataset are: alpha-cellulose delta13C, carbon isotope discrimination (Delta13C), intercellular CO2 concentration...

Climate data for saddle data loggers (CR23X and CR1000), 2009 - ongoing, hourly.

Jennifer F Morse & Mark Losleben
Climatological data were collected from the saddle climate station on Niwot Ridge (3525 m elevation) throughout the year. From 2000-06-24 to 2012-03-24, data were recorded using a Campbell Instruments CR23X data logger. Subsequently, data were recorded using a Campbell Instruments CR1000 data logger. This data set includes data beginning in 2009. Maximum and minimum values were recorded instantaneously, with a sampling interval of 5 seconds. Hourly means and totals were calculated from 720 individual measurements....

Climate data for C1 data loggers (CR23X and CR1000), 2000 - ongoing, daily.

Jennifer F Morse
Climatological data were collected from the C1 climate station on Niwot Ridge (3018 m elevation) throughout the year. From 2000-06-24 to 2013-03-25, data were recorded using a Campbell Instruments CR23X data logger. Starting 2013-03-27, data were recorded using a Campbell Instruments CR1000 data logger. Maximum and minimum values were recorded instantaneously, with a sampling interval of 5 seconds. Daily means and totals were calculated from 17,280 individual measurements. The CR23X logger was programmed to generate...

Climate data for saddle data loggers (CR23X and CR1000), 2000 - ongoing, daily.

Jennifer F Morse & Mark Losleben
Climatological data were collected from the saddle climate station on Niwot Ridge (3525 m elevation) throughout the year. From 2000-06-24 to 2012-03-24, data were recorded using a Campbell Instruments CR23X data logger. Subsequently, data were recorded using a Campbell Instruments CR1000 data logger. Maximum and minimum values were recorded instantaneously, with a sampling interval of 5 seconds. Daily means and totals were calculated from 17,280 individual measurements. The CR23X logger was programmed to generate both...

SBC LTER: Beach: Time-series of beach wrack consumers, ongoing since 2011

Santa Barbara Coastal LTER & Jenifer E Dugan
These data contain the composition, count, and wet biomass of macroinvertebrates along intertidal transects at five selected sandy beaches of the mainland coast of the Santa Barbara Channel. Data collection began in 2012 and is ongoing. This dataset is updated annually. Macroinvertebrates were collected from uniformly spaced cores along the shore-normal transects also used for physical measurements and macrophyte wrack sampling. Cores were pooled and animals and organic material sieved. In the laboratory, all macroinvertebrate...

SBC LTER: Time series of settlement of urchins and other invertebrates

Santa Barbara Coastal LTER, Steven C Schroeter, John Douglas Dixon, Thomas Ebert & John Richards
The dataset comprises weekly to biweekly data on invertebrate settlement on artificial substrates at six sites in Southern California, and one site in Northern California. The study began in early 1990 and is ongoing. The study’s main focus is on urchins ( Strongylocentrotus purpuratus and Mesocentrotus franciscanus ), but was expanded to include selected bivalves, gastropods and crabs during the period 1994-1997. The purpose of the study is to compare and contrast patterns of settlement...

SBC LTER: Beach: Time series of abundance of birds and stranded kelp on selected beaches, ongoing since 2008

Santa Barbara Coastal LTER & Jenifer E Dugan
Dataset contains the distribution, abundance and seasonal occurrence of birds, humans, dogs, and of freshly stranded giant kelp ( Macrocystis pyrifera ) plants and holdfasts present during monthly low-tide (<= 2.5 ft) weekday surveys of standard 1 km long transects on selected sandy beaches of the mainland coast of the Santa Barbara Channel. The abundance of humans, dogs, marine mammals and dead or oiled wildlife is also recorded during each survey. Sampling began in 2008...

SBC LTER: Beach: Time-series of beach wrack cover and biomass, ongoing since 2008

Santa Barbara Coastal LTER & Jenifer E Dugan
These data describe the composition, cover, depth, and wet biomass of macrophyte wrack accumulated in the intertidal zone measured on five selected sandy beaches of the mainland coast of the Santa Barbara Channel. Data collection began in 2008 and this dataset is updated annually.

Stable carbon and oxygen isotopes in tree rings and basal area increment from mature temperate forests within the AmeriFlux network.

Rossella Guerrieri, Soumaya Belmecheri, Katie Jennings, Scott V Ollinger, Heidi Asbjornsen & Jingfing Xiao
Data were used to investigate long-term changes in tree intrinsic water use efficiency (iWUE, i.e., the ratio between CO 2 assimilation and stomatal conductance) and the underlying physiological mechanisms. We used δ 18 O to estimate the O enrichment in leaf water above the source water, δ O LW Moreover we assessed the relationship between isotope-derived parameters and atmospheric CO (c a ) and climate factors. Isotope-related parameters included in the dataset are: α-cellulose δ...

Jornada Basin LTER: Wireless meteorological station at NPP T-WEST site: 30-minute soil volumetric water content data: 2013 - ongoing

Michael Duniway
30-minute Soil Moisture data at NPP T-WEST met station. Collection of soil volumetric water content data at Jornada LTER NPP sites, New Mexico, supports the environmental monitoring objectives of the Jornada LTER monitoring program that look at plant-soil water dynamics. Volumetric water content, bulk electrical conductivity, soil temperature, and bulk dielectric permittivity are measured every 30 minutes at an automated meteorological station installed at Jornada LTER NPP T-WEST site. Measurements are made every 30 minutes...

Jornada Basin LTER: Wireless meteorological station at NPP T-WEST site: Daily average soil volumetric water content data: 2013 - ongoing

Michael Duniway
Daily average of 30-minute Volumetric Water Content at NPP T-WEST met station. Collection of soil volumetric water content data at Jornada LTER NPP sites, New Mexico, supports the environmental monitoring objectives of the Jornada LTER monitoring program that look at plant-soil water dynamics. Volumetric water content, bulk electrical conductivity, soil temperature, and bulk dielectric permittivity are measured and calculated at an automated meteorological station installed at Jornada LTER NPP T-WEST site. The daily average at...

Jornada Basin LTER: Wireless meteorological station at NPP T-WEST site: 5-minute summary wind and air temperature data: 2013 - ongoing

John Anderson
5-minute summary data at NPP T-WEST met station. Average air temperature, wind speed and wind direction are measured and calculated based on 1-second scan rate of all sensors located at an automated meteorological station installed at Jornada LTER NPP T-TAYL site. Wind speed is measured at 75 cm, 150 cm, and 300 cm, wind direction at T-WEST 3m, and air temperature at approximate 2.5m. This climate station is operated by the Jornada LTER Program. This...

Jornada Basin LTER: Wireless meteorological station at NPP T-WEST site: 1-second summary precipitation data: 2013 - ongoing

John Anderson
1-second summary precipitation data at NPP T-WEST met station. Total precipitation per second is recorded only if there is measurable precipitation. This is recorded at an automated meteorological station installed at Jornada LTER NPP T-WEST site.. This climate station is operated by the Jornada LTER Program. IMPORTANT: Rainfall is only recorded when a bucket tip occurs on the tipping bucket rain gauge. If there is missing data due to equipment or other problems, there will...

Jornada Basin LTER: Wireless meteorological station at NPP T-WEST site: Daily summary data: 2013 - ongoing

John Anderson
Daily summary data at NPP T-WEST met station. Average/maximum/minimum air temperature; average/maximum relative humidity and wind speed and average wind direction. These are measured and calculated based on 1-second scan rate of all sensors located at an automated meteorological station installed at Jornada LTER NPP T-WEST site. Wind speed is measured at 75 cm, 150 cm, and 300 cm, wind direction at approximately 3m, and air temperature and relative humidity at approximate 2.5m. This climate...

Jornada Basin LTER: Wireless meteorological station at NPP T-WEST site: 30-minute summary data: 2013 - ongoing

John Anderson
30-minute summary data at NPP T-WEST met station. Average air temperature, relative humidity, wind speed and wind direction are measured and calculated based on 1-second scan rate of all sensors located at an automated meteorological station installed at Jornada LTER NPP T-WEST site. Wind speed is measured at 75 cm, 150 cm, and 300 cm, wind direction at approximately 3m, and air temperature and relative humidity at approximate 2.5m. This climate station is operated by...

Jornada Basin LTER: Wireless meteorological station at NPP T-WEST site: 1-hour summary data: 2013 - ongoing

John Anderson
Hourly summary data at NPP T-WEST met station. Average/maximum/minimum air temperature; average relative humidity and wind direction; average/maximum wind speed. These are measured and calculated based on 1-second scan rate of all sensors located at an automated meteorological station installed at Jornada LTER NPP T-WEST site. Wind speed is measured at 75 cm, 150 cm, and 300 cm, wind direction at approximately 3m, and air temperature and relative humidity at approximate 2.5m. This climate station...

Jornada Basin LTER: Wireless meteorological station at NPP T-TAYL site: 30-minute soil volumetric water content data: 2013 - ongoing

Michael Duniway
30-minute Soil Moisture data at NPP T-TAYL met station. Collection of soil volumetric water content data at Jornada LTER NPP sites, New Mexico, supports the environmental monitoring objectives of the Jornada LTER monitoring program that look at plant-soil water dynamics. Volumetric water content, bulk electrical conductivity, soil temperature, and bulk dielectric permittivity are measured every 30 minutes at an automated meteorological station installed at Jornada LTER NPP T-TAYL site. Measurements are made every 30 minutes...

Jornada Basin LTER: Wireless meteorological station at NPP T-TAYL site: Daily average soil volumetric water content data: 2013 - ongoing

Michael Duniway
Daily average of 30-minute Volumetric Water Content at NPP T-TAYL met station. Collection of soil volumetric water content data at Jornada LTER NPP sites, New Mexico, supports the environmental monitoring objectives of the Jornada LTER monitoring program that look at plant-soil water dynamics. Volumetric water content, bulk electrical conductivity, soil temperature, and bulk dielectric permittivity are measured and calculated at an automated meteorological station installed at Jornada LTER NPP T-TAYL site. The daily average at...

Jornada Basin LTER: Wireless meteorological station at NPP T-TAYL site: 5-minute summary wind and air temperature data: 2013 - ongoing

John Anderson
5-minute summary data at NPP T-TAYL met station. Average air temperature, wind speed and wind direction are measured and calculated based on 1-second scan rate of all sensors located at an automated meteorological station installed at Jornada LTER NPP T-TAYL site. Wind speed is measured at 75 cm, 150 cm, and 300 cm, wind direction at approximately 3m, and air temperature at approximate 2.5m. This climate station is operated by the Jornada LTER Program. This...

Jornada Basin LTER: Wireless meteorological station at NPP T-TAYL site: 1-second summary precipitation data: 2013 - ongoing

John Anderson
1-second summary precipitation data at NPP T-TAYL met station. Total precipitation per second is recorded only if there is measurable precipitation. This is recorded at an automated meteorological station installed at Jornada LTER NPP T-TAYL site.. This climate station is operated by the Jornada LTER Program. IMPORTANT: Rainfall is only recorded when a bucket tip occurs on the tipping bucket rain gauge. If there is missing data due to equipment or other problems, there will...

Jornada Basin LTER: Wireless meteorological station at NPP T-TAYL site: Daily summary data: 2013 - ongoing

John Anderson
Daily summary data at NPP T-TAYL met station. Average/maximum/minimum air temperature; average/maximum relative humidity and wind speed and average wind direction. These are measured and calculated based on 1-second scan rate of all sensors located at an automated meteorological station installed at Jornada LTER NPP T-TAYL site. Wind speed is measured at 75 cm, 150 cm, and 300 cm, wind direction at approximately 3m, and air temperature and relative humidity at approximate 2.5m. This climate...

Jornada Basin LTER: Wireless meteorological station at NPP T-TAYL site: 30-minute summary data: 2013 - ongoing

John Anderson
30-minute summary data at NPP T-TAYL met station. Average air temperature, relative humidity, wind speed and wind direction are measured and calculated based on 1-second scan rate of all sensors located at an automated meteorological station installed at Jornada LTER NPP T-TAYL site. Wind speed is measured at 75 cm, 150 cm, and 300 cm, wind direction at approximately 3m, and air temperature and relative humidity at approximate 2.5m. This climate station is operated by...

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