Protocols

Collection of sea surface temperature, surface current, wind, and atmospheric pressure data from racing yacht during circumnavigation. Data collected using GPS, temperature sensors, Doppler velocity l...

Compilation of water-level information including depth to water, potentiometric-surface altitude, and saturated thickness from measurements by multiple agencies. Values were computed from raster datas...

Collection and analysis of discrete water quality samples including pesticide analysis. Results include load calculations and water quality parameters.

Compilation of regolith thickness and bedrock altitude data from lithologic logs of wells and boreholes. Data was compiled from multiple agencies including Colorado Division of Water Resources, U.S. G...

Continuous coring of boreholes using wireline system to sample Quaternary colluvium and Cretaceous Mesaverde Formation.

High-density airborne LiDAR scans collected in August-September 2015 and 2019 to generate normalized point clouds.

Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude, altitude, and magnetic-f...

Continuous data collection using automated instruments at monitoring stations.

Surveyed bee communities across 83 sites including pine plantations, natural reference sites, and corn production sites over spring and summer seasons.

Drilling and extraction of geological core samples from the Mancos Shale Formation.

Trapping animals to record age, sex, locality, reproductive status, location changes, fate, and genetic information. Data collected across 37 years at 12 sites.

Total inventory of all trees >=10 cm diameter-at-breast-height on the whole watershed measured in 25 m x 25 m plots. Trees 2-10 cm dbh subsampled using 3 meter wide strip along plot edge.

Sampling of 130 forest plots (1 ha) to quantify biomass allometric model errors at individual and plot levels.

Survey of trees in gardens including measurements of size (circumference, diameter and height) and species identification.

Gas samples were collected with a peristaltic pump from pre-installed lysimeters and stored in pre-evacuated serum bottles.

Collection and analysis of rainbow trout gut samples to determine diet composition.

Fish capture and tagging with passive integrated transponder (PIT) tags to track individual fish movement and survival.

Vertical water column temperature measurement using bottle sampling from ship. Historical oceanographic method for measuring temperature at various depths.

Established 133 permanent 1m x 2m plots along the Gunnison River to monitor plant occurrence in relation to inundation patterns.

Systematic collection of environmental data from 59 plots across the study area.

Randomized sampling plots visited every 1-2 years followed by 3-6 year intervals to minimize damage to sensitive arid ecosystems while cost-effectively estimating upland ecosystem health.

Collection and analysis of dissolved selenium concentrations from monitoring network sites as part of management program.

Sampling of trees in eight long-term plots along a successional chronosequence in northeastern Costa Rica.

Direct measurement of aboveground biomass on 673 trees across five tropical countries. Compilation of tree mass dataset including 101 trees greater than 100 cm in diameter.

Field observations of vegetation samples collected using tablet computers and digital forms targeting different vegetation types.