diff --git a/docs/sphinx/source/user_guide/extras/nomenclature.rst b/docs/sphinx/source/user_guide/extras/nomenclature.rst index 444b1ae5cc..a230e49010 100644 --- a/docs/sphinx/source/user_guide/extras/nomenclature.rst +++ b/docs/sphinx/source/user_guide/extras/nomenclature.rst @@ -19,7 +19,16 @@ There is a convention on consistent variable names throughout the library: albedo Ratio of reflected solar irradiance to global horizontal irradiance [unitless] - + + aod + aod500 + aerosol optical depth. Measure of aerosols (e.g., smoke + particles, desert dust) distributed within a column of air from the + instrument (Earth's surface) to the top of the atmosphere. The AOD + value indicates the level of extinction of sunlight in this column, and + when followed by a number (e.g. AOD500), indicates the extinction at + this wavelength (500nm). [unitless] + aoi Angle of incidence. Angle between the surface normal vector and the vector pointing towards the sun's center. [°] @@ -33,9 +42,9 @@ There is a convention on consistent variable names throughout the library: apparent_zenith Refraction-corrected solar zenith angle. The solar - zenith angle describes the position of the sun relative to the vertical and is - defined as the angle between a vector pointed straight up and a vector pointed - at the sun, from the observer. [°] + zenith angle describes the position of the sun relative to the vertical + and is defined as the angle between a vector pointed straight up and a + vector pointed at the sun, from the observer. [°] apparent_elevation Refraction-corrected solar elevation angle. This is the complement of @@ -43,7 +52,11 @@ There is a convention on consistent variable names throughout the library: bhi Beam/direct horizontal irradiance - + + clearsky_index + clearsky index. Ratio of actual global irradiance to modeled clearsky + global irradiance + dhi Diffuse horizontal irradiance @@ -95,10 +108,12 @@ There is a convention on consistent variable names throughout the library: Sandia Array Performance Model IV curve parameters latitude - Latitude in decimal degrees. Positive north of equator, negative to south. + Latitude in decimal degrees. Positive north of equator, negative to + south. longitude - Longitude in decimal degrees. Positive east of prime meridian, negative to west. + Longitude in decimal degrees. Positive east of prime meridian, negative + to west. pac, ac AC power @@ -149,15 +164,16 @@ There is a convention on consistent variable names throughout the library: Diode saturation current solar_azimuth - Azimuth angle of the sun in degrees East of North. The solar azimuth angle - describes the sun’s position along the horizon relative to the observer. - The pvlib-python convention is defined as degrees East of North, so - North = 0°, East = 90°, South = 180°, West = 270°. + Azimuth angle of the sun in degrees East of North. The solar azimuth + angle describes the sun’s position along the horizon relative to the + observer. The pvlib-python convention is defined as degrees East of + North, so North = 0°, East = 90°, South = 180°, West = 270°. solar_zenith - Zenith angle of the sun in degrees. This is the angle between is between a - vector pointed straight up and a vector pointed at the sun, from the observer. - This is the complement of solar elevation (90 - elevation). [°] + Zenith angle of the sun in degrees. This is the angle between is + between a vector pointed straight up and a vector pointed at the sun, + from the observer. This is the complement of solar elevation + 90 - elevation). [°] spectra spectra_components @@ -167,16 +183,17 @@ There is a convention on consistent variable names throughout the library: is composed of direct and diffuse components. surface_azimuth - Azimuth angle of the surface in degrees East of North. This angle describes the - horizontal projection of the normal vector from the surface. The pvlib-python - convention is defined as degrees East (clockwise) of North, so North = 0°, - East = 90°, South = 180°, West = 270°. + Azimuth angle of the surface in degrees East of North. This angle + describes the horizontal projection of the normal vector from the + surface. The pvlib-python convention is defined as degrees East + (clockwise) of North, so North = 0°, East = 90°, South = 180°, + West = 270°. surface_tilt Tilt from horizontal [°]. The surface tilt angle is defined as degrees from the horizontal - such that a surface facing up would have a surface tilt of 0°, and one facing - the horizon would be 90°. [°] + such that a surface facing up would have a surface tilt of 0°, and one + facing the horizon would be 90°. [°] temp_air Temperature of the air diff --git a/docs/sphinx/source/user_guide/modeling_topics/spectrum.rst b/docs/sphinx/source/user_guide/modeling_topics/spectrum.rst index 0747c0b295..1ff5fa1df4 100644 --- a/docs/sphinx/source/user_guide/modeling_topics/spectrum.rst +++ b/docs/sphinx/source/user_guide/modeling_topics/spectrum.rst @@ -51,7 +51,7 @@ Reference [2]_. | +-----------------------------+ | | | | | | | | |:term:`precipitable_water`, | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | [2]_ | | +-----------------------------+ | | | | | | | -| | aod | | | | | | | | +| | :term:`aod` | | | | | | | | +-----------------------------------------------------+-----------------------------+---------+---------+------+------+------+------------+-----------+ | :py:func:`First Solar ` | :term:`airmass_absolute`, | | | | | | | | | +-----------------------------+ | ✓ | ✓ | | | | [3]_ | @@ -59,13 +59,13 @@ Reference [2]_. +-----------------------------------------------------+-----------------------------+---------+---------+------+------+------+------------+-----------+ | :py:func:`JRC ` | :term:`airmass_relative`, | | | | | | | | | +-----------------------------+ | ✓ | ✓ | | | + [4]_ | -| | clearsky_index | | | | | | | | +| | :term:`clearsky_index` | | | | | | | | +-----------------------------------------------------+-----------------------------+---------+---------+------+------+------+------------+-----------+ | :py:func:`Polo ` | :term:`precipitable_water`, | | | | | | | | | +-----------------------------+ ✓ | | ✓ | ✓ | ✓ | + [5]_ | | | :term:`airmass_absolute`, | | | | | | | | | +-----------------------------+ | | | | | | | -| | aod500, | | | | | | | | +| | :term:`aod500` | | | | | | | | | +-----------------------------+ | | | | | | | | | :term:`aoi`, | | | | | | | | | +-----------------------------+ | | | | | | |