Water Quality Volume Land development changes the hydrologic properties of watersheds and generally increases the sediment load transported by runoff compared to pre-development conditions. The additional suspended sediment produced after land development can harm receiving waters. Water quality volume is the stormwater runoff storage volume required to capture suspended sediment before it is transported to receiving waters.
In the context of water quality volume computation, a 90th percentile storm has a higher precipitation depth than an 80th percentile storm for example. The use of "percentile" nomenclature is different from storm magnitude probability e. Since the annual load of sediment runoff e. EPA , pp. The list shows most states use P between 0. With the watch you can take and store up to monochrome photographs ready to view on screen or upload to your PC.
Spec s. If you want the full techinical specifications please click here. For the rest of you, the WQV-1 is a compact digital watch that has a digital black and white camera built into it. Thanks to the 1Mb memory, the watch will store images in its databank at x dpi 20mm x 20mm in 16 bit greyscale monochome. The watch works just like a normal digital camera and so as soon as you have taken the picture you can review your results on the watch screen.
You can then either keep the image or delete it and take another. The watch also features contrast controls so that you can set the contrast of the screen in different light and also has a facility to tell the watch if you are indoors or outdoors to help take better pictures.
Photos can be taken in three ways. Casio say they will last around 6 months and I agree. I have had my WQV-1 for around 10 months and changed the battery after 7 months after taking literally hundreds of photos. The watch has a great feature that actually turns off the screen when ever you take the watch off and so helps conserve power. When the battery is running low the watch will display a low battery warning.
Because of this, an image recorded right after you enter the Camera Mode. Always check the image on the watch display. Camera Mode operations consume considerable battery power.
To protect. Mode after you exit it. The length of the rest interval is equal to the amount of. This means that if you. If you try to enter the Camera Mode during a rest. This means that after.
Alarm, and Hourly Time Signal Sounds. The watch does not emit any alarm, or Hourly Time Signal sound while it is in. Controlling the Camera Mode Image.
You can use the following procedures to adjust the brightness, to specify the. The watch automatically sets the brightness of the image when you record it. You can also change the brightness level manually when you want to. Before recording an image in the Camera Mode,. Use E brighter and B darker to adjust the. A larger brightness value. Automatic brightness adjustment is the initial. Even with manual brightness adjustment, you may not be able to obtain an.
The type of lighting present when recording, greatly affects the resulting image. You can use the procedure below to set up the watch for shooting indoors or. Before recording the image in the Camera Mode, press E or B. Use E or B to cycle through available lighting type settings in the sequence. DUSK for shooting at twilight or under other conditions where lighting is dim. Using the Camera Timer to Record Images.
You can select two seconds, five seconds, or 10 seconds as the camera timer. To record an image using the camera timer. In the Camera Mode, press A to display the. Use E and B to change the camera timer setting. Press F to start the camera timer and perform a record operation when the. If one minute elapses while camera timer operation is in. The watch. Mode setting screen is on the display. The last image. Use B and E to move the boundary between.
Press C to display the enlarged version of the. While the enlarged version of the selected image is. Use E and B to move the highlighting to. Press C to toggle the display between the image. Use E Lighter and B Darker to adjust the. After you are finished, press F to return to the.
You can use the following procedure to attach up to 24 characters of text to. Hold down A for about one second until the. After you finish inputting the text you want, press A to return to the screen. Images in watch memory are automatically sorted according to the first letter of.
Images that do. You can use the following procedures to delete a specific image or all images. To delete all images in watch memory. Press F and a confirmation message appears on. If you really want to delete the image, press B or. E to select YES and then press F. To clear the. The MENU screen appears after the delete. At this time you. To clear the confirmation message without deleting anything,. The watch automatically clears the.
Perform the steps below to re-format Wrist Camera memory whenever you. If you really want to format image memory, press. To clear. Note that formatting. Use the IR Mode to exchange data between two watches or between your. An infrared adapter or an IR port is required to exchange data with this watch.
The following procedure covers data communication between two watches. Exchanging Data Between Two Watches. The maximum allowable distance may be less if either watch is at an angle.
Press F to display the watch-to-watch send. Not supported different protocol. Align the IR ports of the two watches with each. See "To receive an image" for more. On the sending watch, press F to send the. Next, the. Press E to display the watch-to-watch receive.
Next, the watch returns to. Screen messages appear in the IR Mode to let you know when there is a. When this happens, check the following to. Also, you can avoid data communication. MENU screen about five. Data send or receive failed for some reason. Delete data you. Something is interfering with proper data. Correct the cause of the.
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