| 1897 | [=#s_surface '''s_surface'''] |
| 1898 | }}} |
| 1899 | {{{#!td style="vertical-align:top" |
| 1900 | R |
| 1901 | }}} |
| 1902 | {{{#!td style="vertical-align:top" |
| 1903 | 0.0 |
| 1904 | }}} |
| 1905 | {{{#!td |
| 1906 | Surface value of the passive scalar (in kg/m^3^).\\\\ |
| 1907 | This parameter assigns the value of the passive scalar '''s''' at the surface (k=0). Starting from this value, the initial vertical scalar concentration profile is constructed with [#s_vertical_gradient s_vertical_gradient] and [#s_vertical_gradient_level s_vertical_gradient_level]. |
| 1908 | }}} |
| 1909 | |---------------- |
| 1910 | {{{#!td style="vertical-align:top" |
| 1911 | [=#s_surface_initial_change '''s_surface_initial_change'''] |
| 1912 | }}} |
| 1913 | {{{#!td style="vertical-align:top" |
| 1914 | R |
| 1915 | }}} |
| 1916 | {{{#!td style="vertical-align:top" |
| 1917 | 0.0 |
| 1918 | }}} |
| 1919 | {{{#!td |
| 1920 | Change in surface scalar concentration to be made at the beginning of the 3d run (in kg/m^3^).\\\\ |
| 1921 | If '''s_surface_initial_change''' is set to a non-zero value, the near surface scalar flux is not allowed to be given simultaneously (see [#surface_scalarflux surface_scalarflux]). |
| 1922 | }}} |
| 1923 | |---------------- |
| 1924 | {{{#!td style="vertical-align:top" |
| 1925 | [=#s_vertical_gradient '''s_vertical_gradient'''] |
| 1926 | }}} |
| 1927 | {{{#!td style="vertical-align:top" |
| 1928 | R(10) |
| 1929 | }}} |
| 1930 | {{{#!td style="vertical-align:top" |
| 1931 | 10 * 0.0 |
| 1932 | }}} |
| 1933 | {{{#!td |
| 1934 | Scalar concentration gradient(s) of the initial scalar concentration profile (in kg/m^3^ / 100 m).\\\\ |
| 1935 | The scalar gradient holds starting from the height level defined by [#s_vertical_gradient_level s_vertical_gradient_level] (precisely: for all uv levels k, where zu(k) > s_vertical_gradient_level, s_init(k) is set: s_init(k) = s_init(k-1) + dzu(k) * '''s_vertical_gradient''') up to the top boundary or up to the next height level defined by s_vertical_gradient_level. A total of 10 different gradients for 11 height intervals (10 intervals if s_vertical_gradient_level(1) = 0.0) can be assigned. The surface scalar value is assigned via [#s_surface s_surface].\\\\ |
| 1936 | '''Example:'''\\\\ |
| 1937 | '''s_vertical_gradien'''t = ''0.1,'' ''0.05,''\\ |
| 1938 | [#s_vertical_gradient_level s_vertical_gradient_level] = ''500.0,'' ''1000.0,''\\\\ |
| 1939 | That defines the scalar concentration to be constant with height up to z = 500.0 m with a value given by. For 500.0 m < z <= 1000.0 m the scalar gradient is 0.1 kg/m^3^ / 100 m and for z > 1000.0 m up to the top boundary it is 0.05 kg/m^3^ / 100 m (it is assumed that the assigned height levels correspond with uv levels). |
| 1940 | }}} |
| 1941 | |---------------- |
| 1942 | {{{#!td style="vertical-align:top" |
| 1943 | [=#s_vertical_gradient_level '''s_vertical_gradient_level'''] |
| 1944 | }}} |
| 1945 | {{{#!td style="vertical-align:top" |
| 1946 | R(10) |
| 1947 | }}} |
| 1948 | {{{#!td style="vertical-align:top" |
| 1949 | 10 * 0.0 |
| 1950 | }}} |
| 1951 | {{{#!td |
| 1952 | Height level from which on the scalar gradient defined by [#s_vertical_gradient s_vertical_gradient] is effective (in m).\\\\ |
| 1953 | The height levels are to be assigned in ascending order. The default values result in a scalar concentration constant with height regardless of the values of s_vertical_gradient (unless the top boundary of the model is higher than 100000.0 m). For the piecewise construction of scalar concentration profiles see [#s_vertical_gradient s_vertical_gradient]. |
| 1954 | }}} |
| 1955 | |---------------- |
| 1956 | {{{#!td style="vertical-align:top" |
| 1957 | [=#<insert_parameter_name> '''<insert_parameter_name>'''] |
| 1958 | }}} |
| 1959 | {{{#!td style="vertical-align:top" |
| 1960 | <insert type> |
| 1961 | }}} |
| 1962 | {{{#!td style="vertical-align:top" |
| 1963 | <insert value> |
| 1964 | }}} |
| 1965 | {{{#!td |
| 1966 | <insert explanation> |
| 1967 | }}} |
| 1968 | |---------------- |
| 1969 | {{{#!td style="vertical-align:top" |
| 1970 | [=#<insert_parameter_name> '''<insert_parameter_name>'''] |
| 1971 | }}} |
| 1972 | {{{#!td style="vertical-align:top" |
| 1973 | <insert type> |
| 1974 | }}} |
| 1975 | {{{#!td style="vertical-align:top" |
| 1976 | <insert value> |
| 1977 | }}} |
| 1978 | {{{#!td |
| 1979 | <insert explanation> |
| 1980 | }}} |
| 1981 | |---------------- |
| 1982 | {{{#!td style="vertical-align:top" |