Secchi disk

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  • Spatial Variability In Plankton Communities

    collected in order to analyze the planktonic community present both vertically and horizontally off the coast. Biotic factors such as salinity, temperature and nutrients were also analyzed. Materials and Methods Water Sampling and Conductivity, Temperature and Depth (CTD) Measurements Sampling was conducted on September 24th 2016 aboard the R/V Sea Explorer off the coast of Dana Point. Three stations were sampled and are listed as follows with increasing distance from shore: station 3 (Lat. 33°28.4309’N, Long. 117° 44.182’W ), station 2 (Lat. 33°27.434’N, Long. 117° 45.034’W), and station 1 (Lat. 33°27 .171’N, Long. 117°45.025’ W) (Figure 2). Bokhart 3 A Secchi disk was deployed and lowered by hand at each sampling location in order to determine the depth of the photic zone. This was achieved by taking the secchi disk depth and multiplying it by a factor of 3. A Castaway CTD device was deployed by hand at each station in order to obtain conductivity, temperature, depth and salinity measurements as well as to instantaneously identify the thermocline at each site. This was done so that water samples obtained were accurately portraying the variation of plankton with depth, ensuring that all samples were not taken only above the thermocline. This device was lowered over the port side of the ship with added weights to ensure its vertical positioning in the water column. At each station, a Niskin bottle was deployed to collect water from six discrete depths: below the…

    Words: 1736 - Pages: 7
  • Loughberry Lake Lab Report

    This experiment was designed to test what the limiting nutrient was in Loughberry Lake, as well as examine the trophic state of the lake. In order to find out what the limiting nutrient was, we performed a few different tests. We began with a secchi disk test to see the transparency of the water. Then, we took water samples that we later used to test the turbidity levels of the water after adding varying amounts of phosphorous and nitrogen. Phosphorous was the limiting nutrient in the lake,…

    Words: 1188 - Pages: 5
  • Exploring Water Quality In Coastal Environments

    At GH, humans built docks, and a fish processing plant. There are multiple sources of trash in the water and rocks along the dock from impervious surfaces, runoff, and humans. At GHB, people and their dogs walk on the beach and swim in the water. There is barely any apparent pollution. The differences between the two sites are important to consider when describing water quality because water quality is frequently poorer in places with more human influences. There were multiple samples taken in…

    Words: 1378 - Pages: 6
  • El Nino Effect

    spaghetti worm in the sediment. This is the same as of fall of 2014; however, the standing stock is 16 for fall of 2015 and the standing stock is 21 for fall of 2014. One last sample in which there is a slight error is the measurement of the light transparency of the seawater. Specifically, at the time of deployment the secchi disc is sunken more than the intention. The reason is because when the secchi disc is going underwater the boat is traveling and thus it is hard to tell the point at which…

    Words: 733 - Pages: 3
  • Personal Narrative Essay: A Time To Never Be Forgotten

    A Time to Never be Forgotten I will never forget the hot Florida sun in the summertime or the squeaking of basketball shoes moving across the hardwood court. All this happened when I was in the 3rd grade. As I was eager to get out of Kansas, I started packing my bags the night before, and I usually never pack until my mom is yelling at me at the top of her lungs to get out of the door. This was going to be my second time heading back to Florida, but my first time going there for basketball. We…

    Words: 724 - Pages: 3
  • Nt1110 Graphics Card

    Internal memory normally means memory chips that is inside the computer with technology changing these used to be disks or tapes that was used for internal memory. Ram memory is found on the computers motherboard, so every time the computer opens a program it will be loaded and opened into ram which will make the process faster, the more ram that the computer has will meant he faster it will run and be able to complete tasks. The CPU in the computer uses cache memory as it will speed up the…

    Words: 1593 - Pages: 7
  • Communication Technological Determinism

    programming. Different experiments by numerous people, within the fields of electricity and broadcasting, navigated to the development of the basic technologies and ideas that laid the foundation for the invention of the television. The television as we see and know it today was not always this way. During the late 1800s, Paul Gottlieb Nipkow, a German student developed the first ever mechanical module of the television (The history of television). Throughout the early 1900s inventors had…

    Words: 1015 - Pages: 5
  • John Logie Baird: Early Life

    Initial development TV - The enchanted time transient box that transmits pictures and sound, affected some way or another into our lives after it was produced 80 years back. It is a standout amongst the most critical innovations of the twentieth century, changing and molding the brains of individuals amazingly. The early advancement of TV can be followed back to the revelation of the photoconductivity of the component selenium by Willoughby Smith in 1873, the creation of a checking plate by Paul…

    Words: 1099 - Pages: 5
  • Forensic Evidence: Case Study

    search warrant will not be required. Another area of interest that will need to be searched would be the member’s home and vehicle. However, in this instance an invitation would be required of the police to explore Mr. McBride’s home. During the search, items of interest would be any digital type of product able to store data, things like laptop, thumb drives, CDs, hard drives, etc. 3. Prior to the examination of the thumb drive the containment phase should be begin. Through the…

    Words: 1217 - Pages: 5
  • Foundational Hardware Review Questions

    They simulate paper worksheets by displaying multiple cells that make a grid (id). TB-9. Describe at least four different tasks performed by an operating system. 1. Booting, the process of starting the computer operating system. It completes the checks of the start-up system so that it is ready to work. 2. Data security, which protects the data stored on the computer from illegal use, modification or deletion. 3. Disk management, which manages the stored files and folders in a proper way. 4.…

    Words: 1758 - Pages: 7
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