start writing

1 files changed, 45 insertions, 10 deletions

diff --git a/assignment2/potential-effects.tex b/assignment2/potential-effects.tex
index d3057e7..f995701 100644
--- a/assignment2/potential-effects.tex
+++ b/assignment2/potential-effects.tex
@@ -4,11 +4,41 @@
 
 All three major stations in the lifecycle of the proposed dairy
 factory have to be considered for an assessment of the potential
-effects of the project: preparation of the site (displacement of
-existing uses) and construction, operation, and eventual close-down of
-the facility. For the purposes of this assignment only the potential
-impacts of the first two stages shall be addressed as they dominate
-the life cycle impacts.
+effects of the project: preparation of the site and construction,
+operation, and eventual close-down of the facility. For the purposes
+of this assignment only the potential impacts of the first two stages
+shall be addressed as they dominate the life cycle impacts. This
+includes the following activities:
+
+\begin{enumerate}
+\item clearing of the site (displacement of existing uses)
+\item construction work
+\item water allocation
+\item waste water discharge
+\item packaging
+\item transport of raw materials and goods
+\end{enumerate}
+
+As the different activities at different stages may result in similar
+effects on a given component of the socio-economic or physical
+environment, it is more convenient to investigate the effects
+separately for each component of the environment than to list the
+effects by planned activities. The following components of the
+physical environment \parencite[adapted from][]{glasson reading 1.1} are to be considered:
+
+\begin{enumerate}
+\item Air and atmosphere
+\item Water and soil
+\item Vegetation and habitat
+\item Human health
+\item Landscape and cultural heritage
+\item Energy
+\end{enumerate}
+
+
+\subsection{Water and soil}
+
+- water resources, quality, effects of soil changes on water etc
 
 
 \subsection{Preparation and construction}
@@ -17,15 +47,23 @@ the life cycle impacts.
 
 \subsection{Expected impacts during operation}
 
-The major impacts of
 
 \subsubsection{Water allocation}
 
+  - Changes in water quality parameters - for example, turbidity and
+    temperature levels can increase with reduced flows in rivers.
+
+
 \subsubsection{Discharge of waste water}
 
 The major waste material from processing milk in a dairy factory is
 contaminated water that has been removed from the milk or that has
-been used to clean the factory.
+been used to sanitise equipment and clean the factory. The
+pasteurisation process that is used to kill off harmful bacteria in
+the milk results in heated waste water. As most aquatic ecosystems are
+very sensitive to temperature, discharges of warm waste water could
+significantly affect the composition and dynamics of aquatic
+communities around the discharge location \parencite{}.
 
 from NIWA:
 http://www.niwa.co.nz/our-science/freshwater/tools/kaitiaki_tools/land-use/meat-processing/impacts/water-resources-and-MDP
@@ -50,9 +88,6 @@ http://www.niwa.co.nz/our-science/freshwater/tools/kaitiaki_tools/land-use/meat-
   - Changes in sediment accumulation - flow reduction affects movement
     and deposition of sediments in streams and rivers.
 
-  - Changes in water quality parameters - for example, turbidity and
-    temperature levels can increase with reduced flows in rivers.
-
   - Increases in algae accumulation - algae respond to changes in
     temperature and nutrients, which are likely to increase with
     reduction of flow, especially during summer months.