CDP Baseline Monitoring Report For Council …...6 (July 2017 n the unit urs of data 12 ourse course...

LPC Channel Deepening Project: Stage 1Baseline Report

Lyttelton Port CompanyEnviser Ref: 1006.MMMPVersion: For Council Certification. April 2018Updated September 2018

Channel DBaseline RFriday, 27

Cont1 In

2 Co

3 Ba

4 M

4.1 4.

4.

4.2 4.

4.

4.3 4.

4.

4.4 4.

4.

5 Re

6 A

Appe

Append

Append

Append

Append

Deepening ProjeReport

April 2018 (up

tents Pntroduction

onsent Requ

aseline Mon

Monitoring Su

Water Qua

.1.1 Data

.1.2 Resul

Ecological

.2.1 Data

.2.2 Resul

Monitoring

.3.1 Data

.3.2 Resul

Marine Ma

.4.1 Data

.4.2 Resul

ecommenda

pplicability

endices

ix A : Wa

ix B: Ecolo

ix C: Phy

ix D: Ma

ect

pdated Septemb

age

uirements

itoring

ummaries

lity Baseline

Collection an

ts Summary

Monitoring

collection an

ts Summary

g of Physical

Collection an

ts Summary

mmal Monito

Collection an

t Summary

ations

s

ater Quality

ogical Monito

ysical Shore

arine Mamma

ber 2018)

Monitoring

nd Reporting

nd reporting

Parameters

nd Reporting

oring

nd Reporting

Monitoring

oring

line Monitor

al Monitorin

ring

ng

1

1

2

2

2 2 4 7 7 8 9

11 11 12 12 13 14

14


1 InLytteltodeepenHarboudepositconsentCanterb

The conassess tHarbouin the CprogrammammaPeninsuenvironLPC.

2 CoConditiwhich pstates tCouncil

The typ

W

Ec

Ph

M

This repthe me(Appen

1 Environm


April 2018 (up

ntroduon Port Comn, widen anur/Whakaration and dists CRC1724bury Region

nditions of the impactsur/WhakaraCDP Enviromme, at leaal and wateula is requirnments. Thi

onsenon 8.13 of presents anthe report sl (CRC) at le

pes of mon

Water Qualit

cological Su

hysical Sho

Marine Mam

port summathodology dices A – D

mental Manage

ect

pdated Septemb

ction mpany (LPCd extend thupō to allosposal activ455 and CRnal Council

the Consens (if any) ofupō and ofnmental Mast 12-moner quality ered to coms report is

t Requthe Consen

nd discussesshall be proeast two m

itoring requ

ty Monitori

urveys: Con

oreline Mon

mmal Monit

arises the rand results

D).

ement and Mon

ber 2018)

C) is underthe existing w larger vevities assocRC172522 (c

(CRC).

nts, requiref the CDP offshore Banonitoring a

nths of baseenvironmenpare if the a summary

uirements requiress the resultovided to th

months prior

uired, and c

ng: Conditi

nditions 8.6

nitoring: Co

toring: Cond

results of ths can be fo

nitoring Plan, LP

aking a Chnavigation

essels accesiated with collectively,

e LPC to unon the diffenks Peninsuand Manageeline data ots in Lytteltdredging a

y of the bas

ents s that a basts of the bahe TAG, PRr to the firs

correspond

ions 8.4 – 8

6 – 8.8

ndition 8.9

dition 8.10

he baselineund in the

PC Channel Dee

annel Deepal channel ss to Lytteltthe CDP ar, “the Cons

ndertake a merent enviroula. The moement Planof the coastton Harbouactivities imseline data

seline monaseline monRG, ALG andst commenc

ding consen

8.5

monitoringindividual

epening Project

pening Projin Lytteltonton Port. Thre authoriseents”) issue

monitoring onments aroonitoring ren1. As part tal, ecologiur and offshmpacts on t

that has be

itoring reponitoring. Cod Canterburcement of

nt condition

g. Detailed monitoring

t: Stage 1, Envis

ject (CDP) tn he seabed ed under reed by the

programmound Lyttequired is oof this moncal, marinehore Banks these een comple

ort is prepaondition 8.1ry RegionaDredging.

n, are as fo

informatiog reports

ser, 2018.

1

to

esource

me to lton utlined nitoring e

eted by

ared 14 l

llows:

on on


3 BaThe folmonito

Table 1

Type of

Water qu

Physical

Ecologica

Marine M

4 M

4.1 WWater qmonitomonitosurface sedimeprofilinthrough

A montVision Ereports metoceloggersdepth psamplin

A summreports

4.1.1 Instruminterrupnot alwwaters.


April 2018 (up

aselinelowing monring period

. Summary

f Monitoring

uality monitor

Shoreline Mo

al Monitoring

Mammal Mon

Monitor

Water Qquality monring periodring includturbidity, bntation, phg. Monitorihout Lyttelt

thly monitoEnvironmenincluded a

ean conditios (turbidity, profiling, cong (nutrient

mary of thecomprising

Data Coment issues ptions to th

ways foreseeWhen foul

ect

pdated Septemb

e Monnitoring had:

of baseline

g

ring

onitoring

itoring

ring Su

Quality nitoring wad from 1 Noed data cobenthic turhysiochemicing collectioton Harbou

oring reportnt and senta summary ons (wind, ptemperatu

ontinuous Bts, dissolved

e data colleg the basel

ollectiondue to wea

he data colleable or avling or instr

ber 2018)

itorings been com

monitoring

Undertaken

Vision Enviro

Tonkin & Tay

Cawthron Ins

Styles Group

umma

Baselins undertakovember 20llection of tbidity, bentcal parameton was undur/Whakara

t outlining t to LPC forof the metprecipitatiore, pH, con

BPAR logged metals an

ction, repoine monito

n and Reather condilection ovevoidable durument issu

g mpleted as

g

n by

onment

ylor

stitute

ries

ne Monken by Visio016 to 31 Othe climaticthic photosters and wadertaken viupō and of

the results r each monthodology aon and currnductivity aers, continund biannua

rting and roring period

eportingitions, foulir the basele to the vaues occur, t

part of the

M

NoOc

JanDe

Th

Jan

Jul

De

JanFe

nitoringon EnvironmOctober 20c and oceasyntheticallyater samplea instrumenffshore Ban

of monitornth of the mas well as rents), contind dissolveous sedime

al organics).

results is givd are attach

g ng and buine monitoariable natuthe data be

e 12-month

Monitoring Pe

ovember 2016ctober 2017

nuary 2017 – ecember 2017

ree surveys:

n – Mar 2017

y – Sep 2017

ec 2017

nuary 2017 – bruary 2018

g ment for a 117. The watnic conditioy active rade analysis anntation locanks Peninsu

ring was comonitoring results and nuous phy

ed oxygen),entation log.

ven below. hed in Appe

rial resultedring period

ure of Lyttelecomes noi

baseline

eriod A

6 – Ap

7 Ap

7

Ap

Ap

12-month bter quality ons, real-timdiation (BPAnd depth ated at 15 la.

ompleted bperiod. Thediscussion

ysicochemis, physicochggers and w

All 12 monendix A.

d in isolated. These evelton Harbosy and the

2

ppendix

pendix A

pendix B

pendix C

pendix D

baseline

me AR),

sites

by e of the try emistry water

nthly

d ents are ur two


sondes sondes conditioand soldataset

As the often inThe unconsent

Table 2encoun

Table 2

Month

Novembe

Decembe

January 2

February

April 201

May 201

June 201

July 2017

2 The ‘son


April 2018 (up

start to reneed to be

ons allow. Tlved as soot as part of

benthic insnstrument ireliability int complianc

2 summarisentered each

: Commenta

er 2016

er 2016

2017

2017

17

7

17

7

de’ is the porti

ect

pdated Septemb

cord diverge swapped This proceson as possib

the manua

struments aissues are nn this data ce.

es the main month ove

ary on data

Data collec

OS3 was offlisondes2 at Oand thus thisexchange. In retrieved frombeing floode

OS2 was offliwhile repairs

Due to floodOS3 benthic

No data colle2017. Minimaover 24 - 28 sondes.

Laboratory analuminium corecordings offor this mont

on of the instru

ber 2018)

gent readinfor new, cl

ss ensures ible. Any daal (or SMAR

are self-loggnot discoveis one of th

n methodoer the mon

collection a

tion issues

ine from 16 -OS7 became fos data was remaddition, no

m either sondd.

ine from 3 – 6were being u

ing, no data wsondes until

ected from OSal quality dataFebruary 201

nalytical issueoncentration of the concentth.

ument that has

gs. This siglean ones anstrument ta that is nRT) validatio

ging, the saered until dhe reasons

logy changnitoring per

and method

21 Novembeouled on 22 Nmoved until lodata was able

des at OS6 du

6 December 2undertaken.

was recorded21 January 20

S5 on 1 – 2 Fa collected fro17 due to fou

es associated occurred leadrations of the

the sensors wh

gnals to Visas soon as anomalies

noisy may ton procedu

ame procedata collectithese instr

ges and instriod.

d changes

er. Both November ogger e to be ue to both

N

2016

from the 017.

February om OS7 ling of

AaarmiaQi

with total ding to no e metal

Emdmc

hich take the va

ion Environinclement ware detectehen be remure.

dure cannoon at the eruments are

trumentatio

Methodolog

N/A

A rose chart oand direction appendices ofreport (titled monthly repoinclude the Walong with theQuay (CQ) wiin the figure.

Euphotic deptmonitoring sitdiscussion andmonthly moncalculation giv

arious readings

nment that weather ed in real-t

moved from

ot be followend of the e not as pa

on issues

gy updates

of the Watchkwas added tof the monthlyFigure 27). Fi

ort was also amWatchkeeper we rainfall, flownd results alr

th calculationte were added results sectitoring reportves the depth

s.

3

the

time m the

wed as month.

art of

keeper speed o the y monitoring gure 2 of themended to wave height w and Cashin eady included

s for each d to the ion of the t. This h at which net

d

t


August 2

Septemb

October

4.1.2 Climatic

WSHovgetid20

RwThseofre

InthcuSGcusp

Water Q

Inthspdetuinin

Thabwinm


April 2018 (up

2017

ber 2017

2017

Results c and Ocea

Waimakariri H1, above tver the moenerally osdal influenc000 m3/s re

ainfall datawas highest his lead to edimentatiof the monitecorded ov

n general, rhan benthicurrents rangG1 tendingurrents varypeeds in th

Quality Dat

n general, rhe inshore patial similaespite the urbidity incnner shore ncreases.

here is alsobove the la

with the largndicates thamay contribu

ect

pdated Septemb

Apparent senbenthic OS4 over the seco

Limited benthfrom OS6 (lemonths)

Summaanic Data

flow data wthe Old Hig

onitoring pecillate betwce). The higecorded du

a was collecin July 201widespread

on were obtoring perioer the entir

ecorded suc throughouged from a

g to record y with statee order of

ta

esults of tumonitoringarity in the large distanreases at omonitoring

o a clear coargest river gest turbidiat Outer Haute to sedi

ber 2018)

nsor burial of resulted in lim

ond half of th

hic turbidity dss than a wee

ary

was provideghway Brideriod. This iween arounghest recorduring a stor

cted at the 17 with a tod flooding bserved in tod – Februare month.

urface curreut the monapproximateslightly hig

e of tide, lo50-350mm

urbidity coll sites comp24-hour ro

nces betweuter shore locations w

rrelation beflow eventty readingsarbour sediment accum

benthic OS3 mited data cohe month.

data was recoek of data ove

ed from ECge). In genis consistend 50 m3/s ded flow om event ov

LPC rainfalotal of 30.6 in Christch

the Upper Hary 2017 –

ents at the nitoring perely 350 – 6gher currenocation andm/s

lection showpared to ofolling averaeen monitormonitoringwould later

etween rivet was records at each ofment sourcmulation w

pof

and ollection

overed er the

Can monitoeral, river f

nt with averup to 150 mver the mover 19 - 22

l gauge in mm of rainurch and laHarbour. Inin which o

offshore diriod. Maxim50 mm/s (sts than SG3 spring/nea

wed that suffshore locage surface ring instrumg sites wour record sim

er flow andded in Januf the monitces (e.g. rivithin Lyttelt

photosynthesof about 1% ofurther indicat

ring site CHlows were rage flows fm3/s duringonitoring pe

January 20

at Lytteltonn recorded arge changecontrast, t

nly 4.8 mm

sposal groumum recordsurface and3.Inside theap cycle wit

urface turbations. Therturbidity b

mentation –ld be recor

milarly prop

turbidity –uary 2017 atoring locater flows intton Harbou

sis occurs in aof surface andtion of the w

H4 (Waimaless than 1for the riveg the day (deriod was o017.

n Port. Rain over two des in the driest m

m of rain wa

und were hded monthlyd benthic) we Harbour, th typical c

idity is highre was a clebetween site– where surrded first anportional tu

– as mentioand this coitions. This to Pegasus ur.

4

light intensitd gives a ater clarity.

kariri at 60 m3/s

er which due to over

nfall days.

month as

higher y with site

currents

hest at ear es rface nd then rbidity

oned incided

Bay)

ty


Amhain

AeaSG

Beclthessuligmno

Bperew


April 2018 (up

As expectedmore susceparbour is anto the harb

A snapshot ach of the G1) is show

enthic monear correla

hroughout specially evurface turbight reachin

monitoring pot appear t

iannual wateriod in Deesults of be

were unable

ect

pdated Septemb

d, and due ptible wave lso more imbour.

of the surfUpper Harb

wn in Figure

nitoring sitetion betwemuch of thvident whenidity should

ng lower paperiod this to exist.

ter quality ecember 20enzene, tolu to be dete

ber 2018)

to shallow induced re

mpacted by

face turbidibour, Chane 1 below.

es indicateden benthic

he monitorin comparind indicate aarts of the winverse rela

collection f016 and Junuene, ethylbermined in

water deptes-suspensiy local rainf

ity collectednel and Off

d a highly vturbidity ang period.

ng BPAR reaa lower BPAwater columationship b

for organicsne 2017. Dubenzene, oJune 2017.

ths, the Upon of the sfall events w

d over the fshore mon

variable turand surface This lack oadings to thAR as the smn. Howevebetween BP

s occurred ue to analy-xylene, m&.

pper Harboseabed. Thewhich cause

monitoringnitoring site

bidity regimturbidity wf clear corrhe surface uspended ser, for mostAR and sur

twice durintical labora&p-xylene a

our sedimene mid-uppee sediment

g period at es (UH1, CH

me and as swas not evidrelation wasturbidity. Asediment pt of the barface turbid

ng the monatory error tand hexyth

5

nts are er t runoff

one of H2 and

such a dent s

A high prevents seline dity did

nitoring the no iazox


Figure 1. monitorinturbidity.

01-No

Tur

bidi

ty (

NT

U)

0

10

20

30

40

50

60

80

100

120

140

160

180

200

01-Nov-

Tu

rbid

ity (

NT

U)

0

10

20

30

40

50

60

01-Nov-

Tur

bid

ity (

NT

U)

0

10

20

30

40

50

60


April 2018 (up

Surface turbing period. Gra.

ov-16 01-Dec-16

-16 01-Dec-16 0

-16 01-Dec-16 0

ect

pdated Septemb

idity collectedaphs show bo

01-Jan-17 01-F

01-Jan-17 01-Fe

01-Jan-17 01-Feb

ber 2018)

at UH1 (top),th the 15 min

Feb-17 01-Mar-17

b-17 01-Mar-17

b-17 01-Mar-17

, CH1 (middle)ute turbidity r

01-Apr-17 01-M

01-Apr-17 01-Ma

01-Apr-17 01-Ma

) and SG1 (borecordings an

May-17 01-Jun-17

ay-17 01-Jun-17

y-17 01-Jun-17

ttom) over thed the smoothe

7 01-Jul-17 01

01-Jul-17 01-A

01-Jul-17 01-Au

e 12‐month ed 24‐hour av

-Aug-17 01-Sep-

UH1 TuUH1 24

Aug-17 01-Sep-17

CH2 TurbCH2 24 h

ug-17 01-Sep-17

SG1 TurbSG1 24 h

6

veraged

-17 01-Oct-17 0

urbidity4 hour rolling avera

7 01-Oct-17 01-

bidityour rolling average

01-Oct-17 01-N

bidityour rolling average

01-Nov-17

age

Nov-17

Nov-17


4.2 ESurveysaccordithe subPeninsu

Triplicatwithin L- were below. and 4 ssurvey

Table 3

The comdue to visibilityconsentsurveysAs suchthe Con

4.2.1 Reef sufour intwithin Lquadratdepths)and sizand ph

Soft sedcores fohydrocaand its

Survey

BL1

BL2

BL3


April 2018 (up

Ecologics of the reeng to Cond

btidal and inula coastlin

te surveys Lyttelton Hundertaken The monitsubtidal siteBL0 by Caw

3. Ecological m

mpletion ofthe conditiy. The depet conditions should beh, the frequnsents.

Data courveys charatertidal siteLyttelton Ht surveys a) and 50 me distributiotographic

diments weor analysis arbons (PAapproache

Dates

19 Feb –

28 Feb –

25 -26 Ju

13-14 Se

5 – 8 Dec

ect

pdated Septemb

cal Monef habitat aditions 8.6, ntertidal ree of southe

of 19 bentharbour, outn three timetoring locates which wewthron Inst

monitoring s

f the baseliions requireendency of s (refer Ap

e undertakeuency of the

ollectionacterised ths along thearbour. Sublong paired littoral frinon. Intertid data from

ere sampledof substratHs) and me

es and the o

20 Jan 2017

1 Mar 2017

uly 2017

pt 2017

c 2017

ber 2018)

nitorinnd soft sed8.7 and 8.8ef substrateern Pegasus

hic, six subttside the Hes during 2tions were ere surveyeitute (refer

sampling date

ine surveys ed for the sthe monito

pendix 1 ofen at four-me surveys g

and rephe habitat ae Banks Penbtidal workd 30 m longnge (0.5 m al surveys a 50 m str

d in triplicate, macrofauetals. 19 beoffshore sp

g diment ben8 of the Coe and ecolos Bay and w

tidal and foarbour Hea

2017 (i.e. thchosen froed in FebruAppendix

es

as strict fosubtidal wooring on thf the Consemonthly intgiven in Tab

porting and ecologninsula coak by scientifg isobathic Chart Datucollected sretch of sho

ate using thunal commenthic statiopoil ground

Componen

Benthic sam

Subtidal ree

Benthic sam

Subtidal ree

Benthic sam

thic environonsents. Theogical comwithin Lytte

our intertidads and at he baseline m a subsetary 2016 –B).

our-monthlyork, which rhe weather ents which ervals, subjble 2 above

ical commustline of sofic divers cotransects (

um) transecemi-quantioreline

he van Veenmunities, (Poons were su.

nts

mpling, intertid

ef survey

mpling, intertid

ef survey

mpling, intertid

nments wee reef survemunities alelton Harbo

al monitorithe offshoryear) as ou

t of 24 bentthis is refe

y intervals wrequires gowas recognstates that ect to weat

e complies

unities at siouthern Pegomprised q(in 4 m andts focusingtative (relat

n grab metolycyclic arourveyed in

dal reef survey

dal reef survey

dal and subtid

re undertakeys charactong the Ba

our.

ing sites – re disposal utlined in Tthic, 6 inte

erred to bas

was not poood underwnised in theecological ther conditthe conditi

ix subtidal gasus Bay aquantitative d 7 m wate on pāua dtive abunda

thod to proomatic Lyttelton H

y

y

dal reef survey

7

ken erised anks

located ground

Table 3 rtidal seline

ossible water e

tions). ons of

and and

r density ance)

ovide

Harbour

ys


4.2.2

4.2.2.1

Reef habioregiocontribcomplein any i

There wstructurdistinctconsistebackgro

Diversitcommuconsistegradienobservewater c

Pāua wcounts with noin the ebetwee

Despitea similaencrustweed (Ckelp (M

Pāua monly a sturban and acrrecorde


April 2018 (up

Results

Reef sur

abitats at alon. High sputed to app

ex physical interpretati

was a high re for both tness assocent with obound turbid

ty indices frunity compoent differennt of increaed, along wclarity is typ

ere observeon the set

o apparent exact depthen surveys.

e differencear number oting and tuCystophora

Macrocystis

measured alosmall proposnail withinross surveyed from site

ect

pdated Septemb

Summa

rveys (sub

ll sites supppatial variabparent temstructure aon of the d

degree of osubtidal an

iated with tbserved diffdity.

rom the suosition (i.e. nces betweesing algal c

with higher pically obse

ed to be cotransects ctrends. Som

h line of the

es in the phof intertidarfing coralla scalaris), tpyrifera).

ong the littortion (2.7%n the littoras, with the e BP01 (Ad

ber 2018)

ary

btidal and

ported combility in theporal variand bathymdata.

overlap in tnd intertidathe commuferences in

btidal reef not numeren sites, spcover with coverage a

erved.

ommon to could be hime of this ve transect d

hysical habil taxa recorine algae, Nhe red alga

toral fringe %) being abal fringe traonly consisderley Hea

intertidal)

mmunities ce subtidal qbility. This vetry of reef

the dominaal reef habiunities at inphysical ha

monitoringrically dompatial trendsdistance eaalso for the

abundant aghly variabvariability isdue to chan

tat betweerded at eacNeptune’s na Gelidium

transects obove legal hansects werstent trendd).

)

considered uadrat datavariability if habitats a

ant taxa antats; howev

ndividual sitabitat struc

g show an einated by jus were largastward fro north God

at all six suble betweens believed tnging tidal

n the four ch location.necklace (Hcaulacanth

occupied a harvestablere also highobserved

representata is consides likely to b

and must be

d overall cover, there wtes. These wcture, wave

even distribust a few taely quite sum Adderleydley Head s

btidal monn sites and to result frostate and s

intertidal su. Common

Hormosira bheum and g

fairly narroe size. Denshly variable being lowe

tive of the ered to havbe driven be accommo

ommunity were also arwere generexposure a

bution in axa). Despitubtle. Howey Head wassite where g

nitoring siteacross survom small csurge cond

urvey sites,across sites

banksii, zig-giant or bla

ow size ransities of thebetween s

er numbers

8

wider ve by the odated

reas of ally and

te some ever, a s greater

es but veys, hanges

ditions

, all had s were -zag dder

ge with e Cook’s ites


Figure 2.

4.2.2.2

Substrawith grcm thicand LHfine andsubstrafraction

No cleacommudiversitrichnes

Statisticvariatiocarbon.

4.3 MMonito8.9) to Lyttelto

The mosurveys


April 2018 (up

Density of Pa

Benthic S2

ates at 16 oain size dock was ofteB3) and thed very fine tes, there w

ns at all stat

ar spatial gunity diversy of comms was nega

cal analysis on in macro.

Monitororing of phyevaluate ho

on Harbour/

onitoring ins, seabed su

ect

pdated Septemb

aua with littor

Surveys

of the 19 beminated byn present ae eastern-msands. Wh

was generations.

radients beity and den

munities weratively corre

of the datofaunal com

ring of ysical paramow (if at all/ Whakarau

ncludes phourveys and

ber 2018)

ral fringe trans

enthic sampy the silt/claat these sitemost offshoile the Harblly low tem

etween macnsity similarre positivelyelated with

a indicatedmmunity da

Physicmeters is be) the CDP wupō and off

oto-point mshoreline a

sect for each s

pling statioay fraction.es. Two of ore station bour statio

mporal varia

crofaunal cor across all y (if weaklyorganic ca

d that waterta, followed

cal Paraeing undertwill impactfshore Bank

monitoring, analysis. 12

survey at each

ons were co. A less conthe Lyttelto(CTL2) werens showed bility in the

ommunitiesstations. A

y) correlatedrbon and t

r depth expd by sedim

ameterstaken (in acon the coa

ks Peninsul

sediment s-months of

h site (Cawthr

omprised ofnsolidated son Harboure set apart high spatia

e dominant

s were idenbundance, d with waterace metal

plained the ent texture

s ccordance wastal enviroa.

size analysisf baseline m

ron, 2018)

f fine soft msurface layer stations (Lby substraal variabilityt particle si

ntified, withtaxa richne

er depth. Taconcentrat

largest ame and organ

with Conditonment in

s, beach prmonitoring

9

muds, er 4-10 LHB2 tes of y in ze

h ess and axa tions.

mount of nic

tion

rofile was


undertato AppeBaselinebaseline


April 2018 (up

aken by Toendix C fore Results) we monitorin

ect

pdated Septemb

nkin & Tayr the full rewhich summng.

ber 2018)

ylor (T+T) atport (LPC Cmaries the

t the frequChannel Deresults and

encies outleepening Pr data colle

ined in Tabroject, Physcted at eac

ble 4 belowsical Monitoch round of

10

w. Refer oring f


Table 4

Name

Photo-PoMonitori

SedimentAnalysis

Beach PrSurvey

Seabed S

Shoreline

4.3.1 In gene8.9 and

ACthm

Po

4.3.2 P

chsiNovtoch

SeAyewmco


April 2018 (up

. Summary

oint ng

t Size

rofile

Survey

e Analysis

Data Coeral, monitod 8.11 with

A marine excouncil and herefore nomonitoring p

oor weathe

Results hoto-pointhanges occtes were m

No significanver the moo the movehanges cam

ediment SiAnalysis shoear. The sam

were very finmedium sanonsistent w

ect

pdated Septemb

of physical

2017 Basel

Round 1

30 January –February.

30 January –

ECan cycle: 2Eliot Sinclair

February 201

5 December

ollectionoring frequethe followi

clusion zonMcConnell

o monitorinperiod.

er condition

Summat monitorincurring in thmonitored font changes

onitoring peement of drme with som

ize analysiswed changmpled sitesnely skewedd across th

with exposed

ber 2018)

monitoring

line Year Mo

R

– 14 12

– 1 February

22 February –cycle: 3 Febr

17 – additiona

(with referen

n and Reency was ung exceptio

ne at Gollanl Dowell, prg was unde

ns caused d

ary ng: Photo phe morphoour times oin morpho

eriod. Chanriftwood, shme isolated

s: Sedimentges in the cs consistentd. New Brighe profiles wd open coa

g – Tonkin +

nitoring Exec

Round 2

May - 9 June

– 2 March. ruary.

al lines (1a, 4a

nce to 2015-1

eportingndertaken ons:

ns Bay, imprevented acertaken at t

delays in th

point monitlogy of theover the coology were ges in beac

hells and sed cases of c

t size sampompositiontly presenteghton and Swith very liast beaches

+ Taylor, 20

cuted

Roun

e. 15 AugSeptem

Locatio15 notphotogthis roweatheinsteadon 17

15 Aug

ECan cEliot S

a and 5a) wer

6 aerial data).

g in accordan

plemented bccess to locthis site for

e data coll

toring is ine beach as surse of theobserved ach appearaeaweed. Thechanging sa

pling was un of each bed with sedSumner shottle changes.

18

nd 3

gust – 11 mber.

ons 14 and graphed at und due to er and were d undertaken October.

gust – 17 Oct

cycle: 18 Auguinclair cycle: 6

re surveyed in

.

nce with co

by the Chrication 7 aftr the durati

ection for R

tended to hseen from t12-month

at any of thnce were me only otheand colour.

ndertaken ay over the

diment size ow poorly se through t

Round 4

17 OctobeNovember

tober

ust – 5 Septem6 November.

n March 2018

onsent cond

stchurch Cter Februaryion of the

Rounds 2 a

highlight athe ground baseline p

he monitoremainly in reer notewort

at eight loce course ofdistributio

sorted, finethe year -

11

4

er – 3 r.

mber.

8

ditions

ity y 2017,

and 4.

ny d. 15 period. ed sites elation thy

cations. f the ns that

e to


Tathsadregoan

Bcosttofluth“fth

ThmdypC

Se20thha

ShhiexfifIn

4.4 MStyles G(HectorHarboufrom 27approxiPODs rdolphin

4.4.1 No phyalthougDeployThose isoftwar


April 2018 (up

aylors Mistahrough the ands with siscernible -esults deperain size fon sample lond may be

each profilourse of thtable over to 400 mm. uctuations his monitorfuture profihese baselin

he lower pamouth moveynamic coarofile level amp Bay a

eabed surv018). Betwehe offshorearbour and

horeline anistoric aeriaxtents chanfteen sites, n general, t

Marine Group Ltd. r’s Dolphinsur/Whakaru7 January 2imately 34,ecorded Den sound wa

Data Coysical problegh a date-sment 2 (Fessues werere, and this

ect

pdated Septemb

ake showedyear. The H

size grading- likely indicndent on e

or these beaocation. Thmore repre

le surveys:e baseline the monitoIn contrastof up to 1.

ring period files are comine records”

arts of the ed landwardastal envirochanges ofppear to ha

vey: Two seeen the two disposal s

d relatively f

nalysis: Shoal imagery fnge due to based on he shorelin

Mammand Vision s) acoustic apō and of

2017 to 7 F200 hours etection Poas detected

ollectionems with etamp issuebruary 201

e caused bywas correc

ber 2018)

d course saHarbour beg changing cating that exactly wheaches is wide low tide esentative o

Beach proyear of moring periodt, previous s5 m associwas particu

mpared to t”.

Sumner prod by up to nment. Thef less than ave accrete

eabed surveo surveys teite. From thflat seabed

oreline anafrom 2015 the dredgiLINZ’s 2015

ne was defin

mal MonEnvironmedetections ffshore Banebruary 20of data we

ositive Minu.

n and Reither the C was correc7), and site

y a misaligncted during

and in the leaches showthroughousands are

ere the samdely gradedsample at Pof an intert

ofile surveysonitoring. Td with the ustudies (T+ated with sularly benigthe historic

ofile adjace50 m – thi

e harbour p200-300 m

ed by up to

eys were caen transecthese survey offshore.

lysis post-d- 2016 to ang activitie5-16 Urbanned by the

nitoringent undertoat four loc

nks Peninsu18. Pooled re recordedutes (DPMs)

eportingPOD units cted for daes MM3 andnment of thg the data p

ower profilwed more wut the year, layered accple is takend with the mPurau Bay wtidal platfor

s were carrihe New Briupper beacT, 2017) ha

significant sgn. T&T thc profile rec

ent to the Ais is not unprofiles hav

mm, althougo 0.5m.

arried out (s were takeys a defined

dredging wassess whetes. The shon and Rural

vegetation

g ook monitoations thro

ula. Data waacross all s

d over 12 m) – minutes

g or mooringta obtainedd MM4, Dehe date formprocessing.

e increasinwidely gradthough no

cording to gn. This indicmean size vwas very finrm than be

ied out bi-aghton Profh fluctuatinave shown storm eventherefore reccord here ra

Avon-Heathexpected de been mo

gh the oute

February 20en down thd channel is

ill be carriether and ho

oreline was aerial sets

n line.

ring of maroughout Lytas collectedsites and dmonthly deps in which a

g systems wd from site eployment 6mat betwee34,200 hou

ng to very cded, fine too clear trengrain size acates the bvarying depne to fine seach enviro

annually ovfiles were vng in level bvertical ts indicatincommends ather than j

hcote estuadue to the ore stable ser portions

017 and Mhe channel s clear with

ed out usinow the shodigitised fofor Christc

rine mammttelton d using C-Peploymentsployments. at least one

were reportMM2 from6 (July 2017en the uniturs of data

12

course course d was and baseline pending sand nment.

ver the ery by 100

g that that just

ary

howing of

arch and at hin the

g oreline or all church.

mal

PODs, s, The C-

e

ted, m 7). s and were


collectedetectio

4.4.2 The resused bywere retime ha(represe

While dnear thfeedingcompar18.5% adata dicompar

Figure 3. and Janu


April 2018 (up

ed over theon.

Result Ssults indicaty Hector’s decorded at abitat. The ented by si

detection rae entrance

g buzzes wered to the oand 13.2% d not suggred to othe

Median Deteuary 2018 ( (St

ect

pdated Septemb

e year and 1

Summarte there aredolphins arsite MM3, data collecite MM1) is

ates inside (represent

ere detecteother sites. at sites MM

gest that aner sites.

ection Positivetyles Group , 2

ber 2018)

10,642 of th

ry e temporal,round Lyttelocated outted shows s generally

Lyttelton Hed by sites

ed at site MBy winter,

M3 and MMny one mon

e Minutes (DPM2018)

hese conta

spatial andelton Harbotside Port Ldolphin prhighest be

Harbour wes MM2 and MM1 during

foraging aM4, respectnitoring loc

Ms) recorded

ined at leas

d seasonalour. HighestLevy, whichesence withtween 3pm

re less comMM3), the the summctivity is beively. In geation was m

at each moni

st one Hect

variations it dolphin d was also ahin Lyttelto

m and 8am t

mpared to te highest prmer and autuelow 10%, cneral, the lmore impor

toring site bet

tor’s dolph

in the habidetection raan importanon Harbour the followi

he coastal roportion oumn monthcompared timited yearrtant for fo

tween Februa

13

in

tat ates nt day-

ng day.

sites of hs to r of

oraging

ary 2017


5 ReThere isphysicanot just

6 AEnviser agreed within i

The opviewed

Prepare

MichaeEnviron


April 2018 (up

ecomms only one al shoreline t that recor

pplicaLtd has prscope. No

it, for any p

inions and during pre

ed for Envis

la Aspell nmental Eng

ect

pdated Septemb

mendarecommenmonitoring

rded throug

ability epared thisother part

purpose wit

conclusioneparation o

ser Ltd by:

gineer

ber 2018)

ations ded adjustg - to compghout the b

s report fory may rely thout the e

s within thf the repor

ment to thpare futurebaseline mo

r Lyttelton Pon this rep

express writ

is report arrt.

e monitorine beach proonitoring p

Port Compaport, or anytten permis

re based on

Reviewed f

Jared PetteDirectorCPEng, CM

ng regime wofile data toeriod.

any in accoy conclusionsion of Env

n the inform

for Enviser

ersson

MEngNZ, Int

which relato historical

ordance witns or opinioviser Ltd.

mation that

Ltd by:

tPE

14

tes to data,

th the ons

t was

CDP Baseline Monitoring Report For Council …...6 (July 2017 n the unit urs of data 12 ourse course...

Documents

Transcript of CDP Baseline Monitoring Report For Council …...6 (July 2017 n the unit urs of data 12 ourse course...