Changes in Water Chemistry Changes in Water Chemistryin in Adiron - PowerPoint PPT Presentation

Changes in Water Chemistry Changes in Water Chemistryin in Adiron Adirond da ack Lakes an ck Lakes and St reams: dS treams: A Statu A Status sReport Report K. K.M. M.Roy Roy, ,NYS NYSDEC DEC Adiron Adironda dack Lake s S Su urv rvey Corporatio n ckLak es eyCo rporation NYS NYSE ER RD DA En A Envir viro on nm men ental Mo tal Mon ni ito toring ring, Evalua atio tion n, ,Evalu ,& & Protec Protection tion O Oc ct to ob be er r7-8, 7-8, 2003 2003 Alban Albany y, NY , NY

1984-1987 1984-1987 „ „ Phys Physical ical, bi , biol olog ogi ic ca l al an and che d chem ical mical s su ur rv vey eys n 14 69 s o o n 1469 wa wat te er rs . s. „ Ex „ Exten tent t o of f l la ak e ke a ac cid idifi ific ca at ion. tion. „ „ 19 1990 90 I In nt te erpre tive rpretive Re Repo rt. port.

LTM Lake Classification LTM Lake Classification (Hydrology, Flowpath, Chemistry, Watershed Characteristics) „ „ T Th ick T Till/Ca ill/Carbonat e 5 5 la lakes hick rbonate kes „ Medium „ Medium T ill kes Till kes 13 la 13 la „ „ T Th hin T ill 2 27 s in Till 7 lakes lake „ „ Mounded e ee ep pa ag e 7 lakes Mounded S ge 7 lake s S TO TOTAL TAL 52 52lakes lakes

ALSC Lo ng Te Term Mo rm Monit nito ring Pro Prog gra m ALSC Long oring ram 19 1992 - pr prese esen t 92- nt * 5 2 lake lakes, st re ams * 52 s, 3 treams 3 s * s * summe r s su urvey w/E rvey w/EP PA over the Northe A over the Northea as stern tern U S ummer US * pe * pee er revie r review w and h a n outreac d outreach ev valuat aluate e the the e ef ff fe ec ct ti iv ven ene es ss of s of th the C e CA AA AA A o of f 199 90 0 e 19

NYSERDA’s EMEP Fiel d Stations EMEP Fiel d Stations NYSERDA’s Research Sites Research Sites

ALSC scientific associates ALSC scientific associates C C. .T T. . Dr ri is sco col ll , K K. . Dr ris isco coll ll, S , Sy yr ra acu cus se e Univ Un ive er rs si it ty l, y D D G G. B. L La aw wr re en nce ce, D , D. . Burn ns s, U.S S. .G Ge eol olog ogi ic ca al Su ur rv ve y .B. Bu r ,U. lS ey M. M.J. Mit J. Mitc chell, SUNY hell, SUNY ESF ESF G. G. Sistla , DE C C DAR Ai DAR Air R r Rese arch Sistla, e search DE H. Simo Simonin nin, DEC H Ha abita bitat Uni t Unit t, H. ,DEC ,Rome Rome S. S. Pau Paul lse sen, J. Sto n, J. Stod ddard, US dard, US EPA Corva rval lis EPACo llis M. W M. Wa atso tson n, J. , J.Jo Josep seph h, NY , NYSE SERD A RDA G. Love ett, C. C Ca anha nham m, I , In nst. Ec cosy osys tem Studi Studie s G.Lov tt,C. st.E stem es

1992-2000 Results in 48 Lakes 1992-2000 Results in 48 Lakes „ „ Extens Extensiv ive impro e improv vemen t i in 4 ement nSO SO4 „ „ Va Varied improv ried improvemen t in NO3 in NO3 ement „ „ Impro Improv ved ANC in ed ANC in 29 lak lake s es 29 „ „ D De ecre crea as se ed d toxi c Al i n 2 28 la ak ke s to xic Al in 8l es „ „ Impro Improv ved pH i n 18 la 18 lakes, ed pH in kes, 2 la lakes dec kes declin linin ing 2 g

Remember… Remember… „ „ Trend Trend data data do do no not s t sh ho ow la ake rec ke reco ov ve ery wl ryis is c co ompl mple te, on only ly that i is th at it st ta ar rtin ting . ete, t iss g. „ „ Th The r a ate of la ke ch chemistry improv ement e r te of lake emistry improvement is is sl s ow lo . w. „ „ Cu Current rrent leve vels ls of of p , pH Al s st ti il l H ,ANC and ANC andAl ll le c cr ritic al in many la kes. itical inman yl akes.

i sheries Survey Survey C Co ompari mparis sons ons 1984-200 198 4-2003 isheries 3 F F Changes in Species Richness For 35 Waters With Repeat Surveys „ „ I In ncr cre ea as se ed Ri ich chn ne ss 17 d ess 17 R „ „ No No Chan ng e 14 ge 14 Cha „ „ De Decre crea ase sed d Ric Rich hn ne ss 4 ess 4

LTM/TIME Surveys LTM/TIME Surveys EPA EPA

Press release: Press release: Eig Eight ht percent of lakes in the percent of lakes in the Adirondack are Adirondack are currently acidic, currently acidic, do down wn fro from m 13 13 pe perc rcent ent i in n t th e he early 1990s. early 1990s.

CONFUSIO F USION abo N abou ut te t terms and rms and CON survey size survey size „ „ ‘ ‘A Acid cidi ic’ c’ lake defi lake defined a s ANC< 0. ned as ANC< 0. „ „ Adiro Adiron nda dack lak ck lake populat pulati ion defi ned as epo on defined as l la akes kes with surf rfac ace areas > 1 e areas > 10 acres, wi thsu 0ac res,or or 1,2 1,290 la kes tot tota l. 90 lakes al. „ „ Samp Sampl le e sit si te es = 4 s = 43 la ake s, s su mmer. 3l kes, ummer.

Buck Creek Buck Creek

Stre Strea am ms 1991-200 1 Ac s1991 -2001 Acid N id Ne eu ut tralizin ralizing Ca g Capaci pacity ty Buck Creek (ueg/L) 50 C N A -50 100 Bald Mtn Brook (ueg/L) 50 C N A 0 -50 600 Fly Pond Outlet 500 (ueg/L) 400 300 C N A 200 100 0 04-01 10-91 04-92 10-92 04-93 10-93 04-94 10-94 04-95 10-95 04-96 10-96 04-97 10-97 04-98 10-98 04-99 10-99 04-00 10-00

zyxwvutsrponmlkihgfedcbaYWVUTSRPONMLKJIHGFEDCBA Independence River Flow Independence River Flow 1991-2001 1991-2001 18 16 1995 14 1991-2001 Average ) Flow (m sec -1 12 10 8 6 4 2 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

EPA Cl EPA Clean Air Markets Divisi on ean Air Markets Division „ ALSC website „ ALSC website „ „ Sta Stat te of e of Scie ence Sci nce Re ep po or t R rt