# data[].attributes.definition
The identifying number for a water sampler container.

# data[].attributes.definition
The identifying number for a water sampler container.

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
The total number of events within the measurement period

# data[].attributes.definition
The total number of events within the measurement period

# data[].attributes.definition
In navigation, the course of a watercraft or aircraft is the cardinal direction in which the craft is to be steered.

# data[].attributes.definition
The velocity of a substance, fluid or object

# data[].attributes.definition
Curvature of a DEM measures the shape or curvature of the slope. A part of a surface can be concave or convex; you can tell that by looking at the curvature value. The curvature is calculated by computing the second derivative of the surface.

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
Curvature of a DEM measures the shape or curvature of the slope. A part of a surface can be concave or convex; you can tell that by looking at the curvature value. The curvature is calculated by computing the second derivative of the surface.

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
Ideally datetime format according to ISO 8601 (yyyy=year, mm=month, dd=day).

# data[].attributes.definition
Ideally datetime format according to ISO 8601 (yyyy=year, mm=month, dd=day, HH=hour, MM=minute, SS=second). Alternatively JD (Julian Date).

# data[].attributes.definition
The perpendicular measurement downward from a surface

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
The perpendicular measurement downward from a surface

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
Groundwater depth is the distance between the water surface and the ground surface at a specific location specified by the site location and offset.

# data[].attributes.definition
Depth of the Unsaturated zone. The vadose zone, also termed the unsaturated zone, is the part of Earth between the land surface and the top of the phreatic zone, the position at which the groundwater (the water in the soil's pores) is at atmospheric pressure ("vadose" is from the Latin for "shallow"). Hence, the vadose zone extends from the top of the ground surface to the water table.

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
Depth of the Unsaturated zone. The vadose zone, also termed the unsaturated zone, is the part of Earth between the land surface and the top of the phreatic zone, the position at which the groundwater (the water in the soil's pores) is at atmospheric pressure ("vadose" is from the Latin for "shallow"). Hence, the vadose zone extends from the top of the ground surface to the water table.

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
A diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of the circle. Both definitions are also valid for the diameter of a sphere. In more modern usage, the length of a diameter is also called the diameter. In this sense one speaks of the diameter rather than a diameter (which refers to the line itself), because all diameters of a circle or sphere have the same length, this being twice the radius r.

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
A diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of the circle. Both definitions are also valid for the diameter of a sphere. In more modern usage, the length of a diameter is also called the diameter. In this sense one speaks of the diameter rather than a diameter (which refers to the line itself), because all diameters of a circle or sphere have the same length, this being twice the radius r.

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
Diameter at breast height, or DBH, is the standard for measuring trees. DBH refers to the tree diameter measured at 4.5 feet above the ground.

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
Diameter at breast height, or DBH, is the standard for measuring trees. DBH refers to the tree diameter measured at 4.5 feet above the ground.

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
The relative permittivity of a material is its (absolute) permittivity expressed as a ratio relative to the permittivity of vacuum. Permittivity is a material property that affects the Coulomb force between two point charges in the material. Relative permittivity is the factor by which the electric field between the charges is decreased relative to vacuum. Likewise, relative permittivity is the ratio of the capacitance of a capacitor using that material as a dielectric, compared with a similar capacitor that has vacuum as its dielectric. Relative permittivity is also commonly known as dielectric constant, a term deprecated in engineering as well as in chemistry.

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
The relative permittivity of a material is its (absolute) permittivity expressed as a ratio relative to the permittivity of vacuum. Permittivity is a material property that affects the Coulomb force between two point charges in the material. Relative permittivity is the factor by which the electric field between the charges is decreased relative to vacuum. Likewise, relative permittivity is the ratio of the capacitance of a capacitor using that material as a dielectric, compared with a similar capacitor that has vacuum as its dielectric. Relative permittivity is also commonly known as dielectric constant, a term deprecated in engineering as well as in chemistry.

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
Distance measured from a sensor to a target object such as the surface of a water body or snow surface.

# data[].attributes.definition
Distance measured from a sensor to a target object such as the surface of a water body or snow surface.

# data[].attributes.definition
Operating parameter of a device. Current consumption of a device.

# data[].attributes.definition
"Equivalent reflectivity factor" is the radar reflectivity factor that is calculated from the measured radar return power assuming the target is composed of liquid water droplets whose diameter is less than one tenth of the radar wavelength, i.e., treating the droplets as Rayleigh scatterers. The actual radar reflectivity factor would depend on the size distribution and composition of the particles within the target volume and these are often unknown.

# data[].attributes.definition
In earth science, erosion is the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth's crust, and then transports it to another location (not to be confused with weathering which involves no movement).

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
In earth science, erosion is the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth's crust, and then transports it to another location (not to be confused with weathering which involves no movement).

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
Evapotranspiration is the sum of evaporation and plant transpiration from the Earth's land and ocean surface to the atmosphere.

# data[].attributes.definition
Evapotranspiration is the sum of evaporation and plant transpiration from the Earth's land and ocean surface to the atmosphere.

# data[].attributes.definition
The amount of water that could be evaporated and transpired if there was sufficient water available.

# data[].attributes.definition
The amount of water that could be evaporated and transpired if there was sufficient water available.

# data[].attributes.definition
Filling level measured in non real-time.

# data[].attributes.definition
Number of rotations within a time period

# data[].attributes.definition
Number of rotations within a time period

# data[].attributes.definition
Water level with regard to an arbitrary gage datum (also see Water depth for comparison)

# data[].attributes.definition
Water level with regard to an arbitrary gage datum (also see Water depth for comparison)

# data[].attributes.definition
Geologic units consists primarily of identifying physiographic units and determining the rock lithology or coarse stratigraphy of exposed units.

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
Geologic units consists primarily of identifying physiographic units and determining the rock lithology or coarse stratigraphy of exposed units.

# data[].attributes.note
Added to support Critical Zone Observatory (CZO) data use cases. 

# data[].attributes.definition
Filtered glacier mass anomalies; to obtain anomalies corresponding to a regular grid, an area transformation considering the glaciated area of each grid cell is applied; to reconvert to gridded glacier mass loss in units of Gt, the water height per grid cell needs to be multiplied by the total area of the grid cell; note that due to filtering, glacier mass is underestimated by about a 40% mainly caused by signal leakage into the ocean in coastal areas.

# data[].attributes.definition
Time-variable component of the uncertainty estimates for the filtered glacier mass anomalies; glacier mass change uncertainties are based on the inherited uncertainties from the glaciological and the geodetic input datasets and their variability, at a 95% confidence interval (1.96 std); uncertainty propagation considers the glaciated area of a grid cell and the number of independent observations; finally, to convert from specific mass balance uncertainties to water mass loss (Gt) and water height uncertainties (mm), an additional source of error related to the glacier area and area change rates are considered.

# data[].attributes.definition
Solar radiation, direct and diffuse, received from a solid angle of 2p steradians on a horizontal surface. Source: World Meteorological Organization, Meteoterm

# data[].attributes.definition
Total short-wave direct and diffuse downward radation

# data[].attributes.definition
Total short-wave direct and diffuse upward radiation

# data[].attributes.definition
Altitude or height (sometimes known as depth) is defined based on the context in which it is used (aviation, geometry, geographical survey, sport, atmospheric pressure, and many more). As a general definition, altitude is a distance measurement, usually in the vertical or "up" direction, between a reference datum and a point or object. The reference datum also often varies according to the context. Although the term altitude is commonly used to mean the height above sea level of a location, in geography the term elevation is often preferred for this usage.

# data[].attributes.definition
Please note or choose reference height (ellipsoid or geoid).

# data[].attributes.definition
Latitude as a variable measurement or observation (Spatial reference to be designated in methods).  This is distinct from the latitude of a site which is a site attribute.

# data[].attributes.definition
If ellipsoid differs from WGS84 please note the reference ellipsoid.

# data[].attributes.definition
Longitude as a variable measurement or observation (Spatial reference to be designated in methods). This is distinct from the longitude of a site which is a site attribute.

# data[].attributes.definition
If ellipsoid differs from WGS84 please note the reference ellipsoid.