Impervious surface

Visual Observation Dry Texture Test Wet Texture/ Rolling Test Smear Test Nutrients Quickness of drying Sand Particles visible with eye. The heaviest. Feels gritty and falls apart Crumbles No smear Few nutrients Dries quickly Does not hold water well Silt Just enough big to see them with a magnifying glass. Not as heavy as sand but heavier than clay Holds together, feels smooth and powdery Holds together, moderate crumbling, cannot be rolled in a strand Some smear More nutrients than sand Takes a…

Phosphorus is an essential nutrient to all forms of life and is required for building DNA, RNA and amino acids (Paytan, 2011). Phosphorus is often a limiting nutrient in ecosystems, along with nitrogen, and therefore its abundance determines the amount of primary production that can occur within a system (Schindler, 1971). The two main types of phosphorus are inorganic phosphate minerals, such as calcium phosphate rock that is mined for fertilizer, and organic compounds containing phosphorus…

On October 1st 2013 in Glen Park library, a branch of the San Francisco Public Library; an FBI agent presented Ross Ulbricht a warrant for his arrest, Ulbricht was the founder and the operator of the notorious, and highly illegal Silk Road Market, operating deep within the internet, which is not accessible by standard search engines, nor is indexed by these search engines. The arrest have sparked a nationwide interest, and introduced a variety of new terms, unknown to most computer users, the…

1. The construction of a new road alignment from the intersection of Childers Cove Road and Mathiesons Road running diagonally to the Great Ocean Road (see Figure 2); 2. Widening of Great Ocean road within the road reserve and installation of new right-turn storage lane and a new left-turn deceleration lane with pavement 3. Removal of the elevated rise north of the Great Ocean Road to improve sight lines; 4. Installation of street lighting and wire rope safety barriers All of the above…

Backround: Water erosion is when water moves loose soil and alters the earth's landscape. There is 4 types of forms for water erosion, Rill, Rill is a type of water erosion that creates small channels of water on a sloped surface. Splash, Splash erosion is direct movement of the soil when it splashes on the ground, soil can be splashed up to 3 ft away by rain. Gully,Gully erosion is when water creates wide channels in the soil. lastly Sheet. Sheet erosion is when a thin layer of soil is…

Each year 1.2 trillion gallons of untreated sewage, storm water, and industrial waste are dumped into U.S. waters. Stormwater, according to United States Environmental Protection Agency, is runoff that flowed through any surface modified by humans. With the addition of more urbanized areas, the increasing damages of stormwater which has been revealed as a danger to life. Storm water damages all life, including mankind. More specifically, stormwater damages the aquatic life due to the water…

The water quality of the U-High creek was excellent, however not all creeks have excellent water quality. One way that a creek could get polluted, is the farmers who live and plant their crops near-by. The crops that they plant need to be protected and helped to grow. By doing those things the farmer uses fertilizers and pesticides, which as rain falls and washes away these chemicals, into near-by creeks. The problem with that is, the fertilizers, which contain large amounts of nitrates and…

I was trying to do my post based on the water pollution lab, however, the link would not open for me. Instead I did the lab with the cool google earth application and started doing research on the Santee Watershed in SC. This Watershed is home to, you guessed it, the Santee river. The Santee river is the second largest on the east coast weighing in (not really) at 228.8 km running from the Northwestern side of the state down and out the Atlantic on the Southeastern side. Data from this lab shows…

DISCUSSION: Mike Jones, Director, Tuscarawas County Metropolitan Sewer District (TCMSD) explained the other Ohio Public Works Commission (OPWC) application. Mr. Jones explained this is a sewer project as opposed to water. This application is for Wilshire Hills WWTP. Last year the TCMSD finalized a facilities plan which detailed improvements necessary to ensure that they are able to continue to maintain and operate the Wilkshire Hills WWTP plant and continue to remain in compliance with the EPA…

PAGE 1 –INTRODUCING CYSTAL RIVER Crystal River, located on the Nature Coast of Florida, is known for pristine, crystal clear waters, bays and streams that give the area its name. With more than 70 springs, Crystal River/Kings Bay is the largest winter refuge for manatees on the Florida Gulf Coast and is a National Wildlife Refuge. Over the last 20 years, the springs that feed the river have gone through dramatic changes, which have led to a habitat that is being effected by unwanted algae. If…