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HomeMy WebLinkAbout2022-04-05 Monitoring Reports WSP VV I July 711, 2023 RE:Weir Hill Barrens Habitat Management Erosion Report 7/5/2023 Dear Conservation and Planning Departments, Between 7/1 and 7/4 the North Andover area received roughly 2.02 inches of rain (Lawrence Municipal Airport, NOAA weather history).Jeff Denoncour visited the site 7/5 and assessed cutting units. No significant erosion was discovered in any of the cutting units and evidence of some sheet flow of fine sediments was present but minimal throughout the property. Due to the frequent rain this season the intermittent stream is flowing steadily,Overall, the property is revegetating well especially the skid roads what remained largely unvegetated due to last year's drought.See previous erosion monitoring reports for growth comparison. Photos taken 7/5/2023 Photo 1.Thinning Unit 4 Close to Lake Where Silt Sock was Deployed. e i k 1 .wy l y�; �r �` i Ail 2'�rk� S v �s S X' �s•' e k 1R� S t rl - t - v - f. .�' ' rFi.�y, �'6. �r jy'*f'i��,�im�rs�v�'�✓ ,��f�'���'"* y�3 i � 5 cal•�'l��Ste^` ��{{ i � ! \� }� ,�� � � x 4� ��t�� ` ��� } � �`spi apt � � '��-��✓ �j 4M� ly r ►` x eta r E�' rr ,r is any 00 � x� r ,s,'''• q� .iyM Y y m 1 4j Are rpri1, 'q low kwl 3p { 6 ,i - - r ; 01 T '1 ) y�t +,<^y!k� r \ � d'rA '"-R°R Jr-. 3 k>•'#+«z, � � y*� f'�P s +} n. �,u� ��,� �x� ,.. �.�+�d yf � �. �ky r�`r �a� y�x(r��mMr \ i a�1 �,� ` :���� i`r✓}a.' 't t ad' " '+tom-v��4;! ; - ..�-t�''i o y. ;ie 01.�+�`' oil `C'i. . • s. p j s' tc'� t - i3, AxJi➢4R",s ,,.i ? i F u Map 1. Map of Treatment Areas v M�..-."'.,.:�'.r,.i.:aE "`�l ,In,..<,�k� r.,:.,,�.f;s-m✓',,;"' ��.�' �.�„':'�,.r s �.:,'��? .,;� i;...,. �;�y� :,;',� :.�..,. 5Y: r Q D 9'D I' F�+1 I 4 : Sincerely, DI- -A1110 Jeffrey Denoncour: Coastal Ecologist,The Trustees of Reservations, jdenoncour@thetrustees.or , Cell: 978-578-0786 z tj firs � I IVA AV h 3 poll '^'' +..� „, ' �-mN 1F m is a \ I »66 3 w,'t�`"J� -wi 'ors i y t xa,."' E: 3mE �zt S -� "..•yr. ,#'gri °'a''tw• ,vr ' fi �`S. 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Map of Treatment Areas I r Hulk 'd.7"S" J�:Sr-x;,�".::,.'���u�'�:~C,.?�.,. ..'T,:���t��.�.'�.;�'��'.������,.� ���t�r.�'�r�!'.-�'.y.!�c-�s r-'zi'a"'' ✓ ��rn uF, ,� x r 15 OM C � t c f C 2 t ' *c 'v 4 Fw i .,r r s; a. c �e 5 F Zi he 4 F".. f- f � s f P t; Sincerely, Jeffrey Denoncour: Coastal Ecologist,The Trustees of Reservations, idenoncour@thetrustees.org, Cell: 978-578-0786 E E October 14th, 2022 RE: Weir Hill Barrens Habitat Management Erosion Report 10/14/2022 Dear Conservation and Planning Departments, Between 10/13 and 10/14 the North Andover area received roughly 1.83 inches of rain (Lawrence Municipal Airport, NOAA weather history).Jeff Denoncour visited the site 10/14 and assessed cutting units. No significant erosion was discovered in any of the cutting units and evidence was sheet flow and sediment movement was minimal throughout the property. 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I 1 s{ •� fi 6: { ktr ' p'l' l]j� } fi'`�NSF .irJ ���w f � ���,� �}t � f��� a� `` �#xY � �� �" �.�, i 'J"�h�c s- `•` ..ate' Ma 1. Map of Treatment Areas ap its x ,r .,�,...�y FrPA 2 I III � 1� 14, F ry ?r' �7^ I 2a ! 4 I Sincerely, Jeffrey Denoncour: Coastal Ecologist,The Trustees of Reservations, idenoncour@thetrustees.oM, Cell: 978-578-0786