| 1495 | [=#q_surface '''q_surface'''] |
| 1496 | }}} |
| 1497 | {{{#!td style="vertical-align:top" |
| 1498 | R |
| 1499 | }}} |
| 1500 | {{{#!td style="vertical-align:top" |
| 1501 | 0.0 |
| 1502 | }}} |
| 1503 | {{{#!td |
| 1504 | Surface specific humidity / total water content (kg/kg).\\\\ |
| 1505 | This parameter assigns the value of the specific humidity '''q''' at the surface (k=0). Starting from this value, the initial humidity profile is constructed with [#q_vertical_gradient q_vertical_gradient] and [#q_vertical_gradient_level q_vertical_gradient_level]. This profile is also used for the [[1d-model]] as a stationary profile. |
| 1506 | }}} |
| 1507 | |---------------- |
| 1508 | {{{#!td style="vertical-align:top" |
| 1509 | [=#q_surface_initial_change '''q_surface_initial_change'''] |
| 1510 | }}} |
| 1511 | {{{#!td style="vertical-align:top" |
| 1512 | R |
| 1513 | }}} |
| 1514 | {{{#!td style="vertical-align:top" |
| 1515 | 0.0 |
| 1516 | }}} |
| 1517 | {{{#!td |
| 1518 | Change in surface specific humidity / total water content to be made at the beginning of the 3d run (kg/kg).\\\\ |
| 1519 | If '''q_surface_initial_change''' is set to a non-zero value the near surface latent heat flux (water flux) is not allowed to be given simultaneously (see [#surface_waterflux surface_waterflux]). |
| 1520 | }}} |
| 1521 | |---------------- |
| 1522 | {{{#!td style="vertical-align:top" |
| 1523 | [=#q_vertical_gradient '''q_vertical_gradient'''] |
| 1524 | }}} |
| 1525 | {{{#!td style="vertical-align:top" |
| 1526 | R(10) |
| 1527 | }}} |
| 1528 | {{{#!td style="vertical-align:top" |
| 1529 | 10 * 0.0 |
| 1530 | }}} |
| 1531 | {{{#!td |
| 1532 | Humidity gradient(s) of the initial humidity profile (in 1/100 m).\\\\ |
| 1533 | This humidity gradient holds starting from the height level defined by [#q_vertical_gradient_level q_vertical_gradient_level] (precisely: for all uv levels k, where zu(k) > q_vertical_gradient_level, q_init(k) is set: q_init(k) = q_init(k-1) + dzu(k) * '''q_vertical_gradient''') up to the top boundary or up to the next height level defined by q_vertical_gradient_level. A total of 10 different gradients for 11 height intervals (10 intervals if q_vertical_gradient_level(1) = 0.0) can be asigned. The surface humidity is assigned via [#q_surface q_surface].\\\\ |
| 1534 | '''Example:'''\\\ |
| 1535 | '''q_vertical_gradient''' = ''0.001,'' ''0.0005,''\\ |
| 1536 | [#q_vertical_gradient_level q_vertical_gradient_level] = ''500.0,'' ''1000.0,''\\\\ |
| 1537 | That defines the humidity to be constant with height up to z = 500.0 m with a value given by q_surface. For 500.0 m < z <= 1000.0 m the humidity gradient is 0.001 / 100 m and for z > 1000.0 m up to the top boundary it is 0.0005 / 100 m (it is assumed that the assigned height levels correspond with uv levels). |
| 1538 | }}} |
| 1539 | |---------------- |
| 1540 | {{{#!td style="vertical-align:top" |
| 1541 | [=#q_vertical_gradient_level '''q_vertical_gradient_level'''] |
| 1542 | }}} |
| 1543 | {{{#!td style="vertical-align:top" |
| 1544 | R(10) |
| 1545 | }}} |
| 1546 | {{{#!td style="vertical-align:top" |
| 1547 | 10 * 0.0 |
| 1548 | }}} |
| 1549 | {{{#!td |
| 1550 | Height level from which on the humidity gradient defined by [#q_vertical_gradient q_vertical_gradient] is effective (in m).\\\\ |
| 1551 | The height levels are to be assigned in ascending order. The default values result in a humidity constant with height regardless of the values of q_vertical_gradient (unless the top boundary of the model is higher than 100000.0 m). For the piecewise construction of humidity profiles see [#q_vertical_gradient q_vertical_gradient]. |
| 1552 | }}} |
| 1553 | |---------------- |
| 1554 | {{{#!td style="vertical-align:top" |