222 Confirmed Redwoods Over 350 ft. LiDAR project concludes

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222 Confirmed Redwoods Over 350 ft. LiDAR project concludes

Post by M.W.Taylor » Sat Aug 18, 2012 4:53 pm

23 364.9 13.5 Harriett Weaver, Humboldt, Patriarch Forest
24 364.7 10.0 Randy Stoltmann, Humboldt, Harper Flat
25 364.7 16.0 Pyramid Giant, Humboldt, Harper Flat
26 364.5 10.7 Rocket Top, Humboldt, Patriarch Forest
27 364.3 11.4 Valentine, Humboldt, Harper Flat
28 364.0 10.0 Pinnacle, Humboldt, Lower Bull Creek Flat
29 363.4 14.0 Daedalus, Redwood, Redwood Creek Tributary. Big ol' spike top.
30 363.4 11.1 Gultch Tower, AKA T7, Redwood, Redwood Creek Tributary.
31 363.2 16.0 Lost Hope, Humboldt, Patriarch Forest
32 363.2 13.6 Tranquility, Humboldt, Lower Bull Creek Flat
33 363.1 11.1 Crown Jewel, Redwood, Redwood Creek Tributary
34 362.8* 9.5 Libby (A.K.A. Tall), Redwood, Tall Trees Grove. Dead top. Former title holder for tallest, 1963-1994.
35 362.7 13.2 South Fork, Humboldt, Founders Grove
36 362.7 14.7 Gray Poison, Humboldt, Patriarch
37 362.0 12.7 Graywacke, Humboldt, Harper Flat
38 361.8 12.6 Rockview, Humboldt, Upper Bull Creek Flat
39 361.4 12.6 Rosebark, Humboldt, Patriarch Forest
40 361.4 9.4 Alan Mitchell, Humboldt, New World Forest
41 361.3 11.2 Swamp, Montgomery, Montgomery Flat
42 361.3 10.8 Canoe Creek, Humboldt, Canoe Creek Flat
43 361.1 12.0 LIDAR RC 112.6, Redwood, Redwood Creek Tributary. A.K.A. "T4"
44 361.0 15.5 Brutus, Humboldt, Harper Flat
45 360.8 13.8 John Muir, Humboldt, Patriarch Forest
46 360.7 13.2 Mesa, Humboldt, Founders Grove
47 360.5 17.3 Montgomery Giant, Montgomery, Montgomery Flat
48 360.5 11.9 Lost Daughter, Humboldt, Harper Flat
49 360.2 15.7 Springing Buck, Humboldt, Founders Grove
50 360.2 12.8 Frank Atkins, Humboldt, Founders Grove
51 360.2 17.2 Redwood Creek Giant, Redwood, Redwood Creek
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Rare 350' class
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52 359.9 12.5 Outlier, Prairie, Cal Barrel Road
53 359.7 13.4 Miller Creek, Humboldt, Miller Flat
54 359.7 12.8 Dome Top, Humboldt, Middle Bull Creek Flat
55 359.7 12.0 Baby, Redwood, Formerly known as "T11", Redwood Creek Tributary
56 359.6 14.7 Symmetrical Spiral, Humboldt, Founders Grove
57 359.6 11.2 Cinnamon Bark, Humboldt, Patriarch Forest
58 359.4 13.5 Washout, Humboldt, Federation Grove
59 359.3 15.0 Dark Horse, Formerly known as "Polaris", Redwood, Redwood Creek Tributary.
60 359.3 11.3 Quadraspire, Montgomery, Lower Flat
61 359.2 11.7 Idril, Formerly known as Alluvium, Humboldt, Calf Creek Flat
62 359.1 9.8 Axis, Humboldt, Harper Flat
63 359.0 12.5 Sawtooth, Humboldt, Lower Bull Creek Flat
64 358.6 9.9 Pinner, Humboldt, Patriarch Forest
65 358.5 10.1 Scar Base, Humboldt, Patriarch Forest
66 358.4 10.2 Bumble Bee, Humboldt, Harper Flat
67 358.4 10.3 Radford Stovepipe, Humboldt, Patriarch Forest
68 358.3 12.3 Mattole Beast, Humboldt, Middle Bull Creek Flat
69 358.2 11.1 Rifle, Humboldt, Harper Flat
70 358.2 13.2 Floodmark, Humboldt, Founders Grove
71 358.1 16.4 Matterhorn Giant, Humboldt, Patriarch Forest
72 358.1 13.2 Warrior, Redwood, Redwood Creek Tributary
73 358.0 9.7 Franz, Formerly known as "Riverview", Humboldt, Lower Bull Creek Flat
74 357.7 13.8 A.C. Carder, Humboldt, Patriarch Forest
75 357.5 9.5 Grazer, Formerly known as "Cornstalk", Humboldt, Lower Bull Creek Flat
76 357.4 12.0 Watchtower, formerly known as "TT11", Prairie Creek Redwoods State Park, Browns Creek Tributary
77 357.4 11.1 Wishbone, Montgomery, Upper Flat
78 357.4 15.5 RC 109.20 LiDAR, formerly known as "T20", Redwood, Redwood Creek Tributary
79 357.4 11.9 Sarah, Humboldt, Harper Flat
80 357.2 10.8 Candlestick, Humboldt, Patriarch Forest
81 357.2 9.1 Graben, Humboldt, Lower Bull Creek Flat
82 357.1 11.9 Parallel Pillars, Humboldt, Calf Creek Flat
83 357.1 11.9 Cirque Bowl Tower, Redwood, Redwood Creek Tributary
84 357.1 15.0 RC 109.69 LIDAR, formerly known as "T18", Redwood, Redwood Creek Tributary
85 357.1 13.5 Barricade, Humboldt, Harper Flat
86 357.0 13.2 Arrowhead, Humboldt, Harper Flat
87 356.7 9.0 Philip Burton, Redwood, Redwood Creek Tributary
88 356.7 11.0 Alice Neighbor, Formerly Known as "H-25", Humboldt, Harper Flat
89 356.6 10.8 Satellite, Montgomery, Upper Flat
90 356.6 15.5 Emerald Giant, Redwood, Redwood Creek
91 356.6 14.6 Centennial, Humboldt, Remnant Forest
92 356.5 8.5 Marilona, Humboldt, Harper Flat
93 356.5 12.9 PA 8 LIDAR, Formlery known as "UT8"' Humboldt, Patriarch Forest
94 356.4 11.0 Gil-Gilad, Humboldt, Calf Creek Flat
95 356.4 15.9 New Hope, Jedediah, West Fork Clarks Creek
96 356.3 10.7 Scar Amber, Humboldt, Miller Flat
97 356.2 12.8 Navigation, Humboldt, New World Forest
98 356.2 10.9 William Harlow, Montgomery, Middle Flat
99 356.0 8.2 Valeria, Formerly known as "Cobblestone", Humboldt, Millennium Grove
100 355.9 12.9 Boyes creek Tree, Formerly known as "TT10", Prairie, Boyes Creek Tributary
101 355.6 12.5 David Elkins, Humboldt, Patriarch Forest
102 355.5 13.8 Obelisk Neighbor, Formerly Known as "H-26", Humboldt, Harper Flat
103 355.5 15.0 RC 108.06 LiDAR, formerly known as "T31", Redwood, Redwood Creek Tributary
104 355.5 14.4 William Kent, Humboldt, Kent Grove
105 355.4 N/A Calf Creek LIDAR 1, Humboldt, Calf Creek Flat
106 355.4 13.1 Laura Mahan, Humboldt, Founders Grove
107 355.3 9.5 Logjam, Humboldt, Lower Bull Creek Flat
108 355.2 16.5 Odyssey, Humboldt, Calf Creek Flat
109 355.1 12.0 Imperial, Montgomery, Upper Flat
110 355.1 11.0 Tosca, Humboldt, Patriarch Forest
111 355.0 16.0 RC 113.55 LIDAR, Formerly known as "Big Leaner", Redwood, Redwood Creek Tributary
112 355.0 11.7 Bamboozle, Humboldt, Lower Bull Creek Flat
113 355.0 13.5 Phoenix, Humboldt, Patriarch Forest
114 355.0 10.9 Obelisk, Humboldt, Harper Flat
115 355.0 12.1 Creekside Cavern, Montgomery, Lower Flat
116 355.0 12.9 South Brown. Formerly known as "TT8", Prairie, Browns Creek Tributary
117 354.9 9.6 Crescent Moon, Montgomery, Upper Flat
118 354.9 13.8 Calf Creek, Humboldt, Calf Creek Flat
119 354.9 13.8 Maeglin, Formerly known as Chestnut, Humboldt, Calf Creek Flat
120 354.8 8.8 Greyhound, Montgomery, Upper Flat
121 354.7 15.5 Maya, Redwood, Redwood Creek Tributary
122 354.6 12.0 Rhododendron, Redwood, Redwood Creek Tributary
123 354.6 10.7 Shamrock, Humboldt, Founders Grove
124 354.6 12.5 El Deuce, Humboldt, Calf Creek Flat
125 354.5 N/A Offset Tower, Prairie, Browns Creek Tributary
126 354.5 11.5 Luke's Lookout, Humboldt, Upper Bull Creek Flat
127 354.4 10.8 Quintuple Tower, Redwood, Tall Trees Grove
128 354.4 8.8 Space Needle, Humboldt, Harper Flat
129 354.4 14.6 Bruiser, Humboldt, Middle Bull Creek Flat
130 354.4 11.0 Luke's Lookout, Humboldt, Upper Bull Creek Flat
131 354.3 16.9 Giant, Humboldt, Upper Bull Creek Flat
132 354.3 13.9 Crescendo, Humboldt, Patriarch Forest
133 354.3 13.5 Cinder Cone, Humboldt, Patriarch Forest
134 354.3 9.7 Cannoe II, Formerly known as "Thimble", Humboldt, Canoe Creek
135 354.2 9.5 Tempest, Montgomery, Middle Flat
136 354.2 N/A PA 7 LiDAR, Formerly known as "UT7", Humboldt, Patriarch Forest
137 354.1 15.2 Tree 139, Formerly konwn as "U-4", Humboldt, Upper Bull Creek Flat
138 354.0 14.6 Golden Vine, Formerly Known as "Yellow Vine", Humboldt, Founders Grove
139 354.0 10.4 Wounded Knee, Humboldt, Lower Bull Creek Flat
140 353.8 11.7 Meanderfall, Humboldt, Founders Grove
141 353.8 14.0 Glass Castle, Formerly Known as "JS6", Jedediah, Mill Creek Basin
142 353.7 14.6 Jeanie Taller, Humboldt , Lower Bull Creek Flat
143 353.6 13.3 PA 49 LiDAR, Formerly Known as "UT49",Humboldt, Upper Flat
144 353.6 14.5 Bond Behemoth, Formerly known as "TT7", Redwood, Redwood Creek Tributary. Huge tree with straight axis. Found by LIDAR.
145 353.6 13.2 Gemstone, Redwood, Emerald Creek
146 353.5 14.9 Obsidian, Humboldt, Founders Grove
147 353.5 13.0 Twister, Redwood, Larry Damm Creek
148 353.4 N/A Sediment, Humboldt, Founder Grove
149 353.4 3.54 Warm Winds, Humboldt, Middle Bull Creek Flat
150 353.4 11.0 PA 5 LiDAR, Formerly Known as "UT-5", Humboldt, Patriarch Forest
151 353.3 9.0 Hairpin, Prairie, Foothill Trail.
152 353.3 11.7 Hans, Formerly known as "Riverfront", Humboldt, Lower Bull Creek Flat
153 353.3 9.0 Whippet, AKA "Bombardier", Humboldt, Harper Flat `
154 353.3 14.0 Carrie Salz, Humboldt, Founders Grove
155 353.2 9.7 Steeple, Humboldt, Harper Flat
156 353.2 11.0 Moundsprout, Humboldt, Founders Grove
157 353.0 9.5 F-21, Humboldt, Founders Grove
158 353.0 11.4 Bomber, Humboldt, Calf Creek Flat
159 353.0 24.5 Godwood Creek, Prairie, Godwood Creek
160 353.0 14.5 Little Lost Leaner, Redwood, Lost Man Creek Drainage
161 353.0 12.9 Cottage, Humboldt, Founders Grove
162 352.9 13.5 Fusion Hollow, Humboldt, Patriarch Forest
163 352.9 13.7 Bolling Stovepipe, Humboldt, Bolling Grove
164 352.8 N/A UF 106.75 LiDAR, Humboldt, Upper Bull Creek Flat
165 352.6 10.1 Palisade, Montgomery, Lower Flat
166 352.5 16.6 T-51, Redwood, High perched bench 1000' above Redwood Creek
167 352.5 11.9 Roadside Pitchork, Humboldt, Upper Bull Creek Flat
168 352.4 7.1 The Pole, Humboldt, Lower Bull Creek Flat
169 352.3 10.1 Long Arm, Humboldt, Lower Bull Creek Flat
170 352.2 9.7 GPS, Humboldt, New World Forest
171 352.2 12.5 Cone Top, Humboldt, Calf Creek Flat
172 352.2 14.8 HF 1 LiDAR, Humboldt, Harper Flat
173 352.1 12.0 Zephyr, Grizzly, Cheatham Grove
174 352.1 10.9 Ivory, Montgomery, Lower Flat
175 352.0 13.8 Remnant, Humboldt, Remnant Forest
176 352.0 N/A Melancholy, Montgomery, Upper Flat
177 351.9 N/A 61 LiDAR, Humboldt, South Fork Eel River
178 351.8 N/A F-24 LiDAR, Humboldt, Founders Grove
179 351.8 N/A North Slope, Redwood, Redwood Creek Tributary
180 351.8 11.1 Puppy Burl, Montgomery, Upper Flat
181 351.8 14.8 Creaking Bear, Humboldt, Upper Flat
182 351.7 N/A PA 39 LiDAR, Humboldt, Patriarch Forest
183 351.7 10.5 Jane Oxenham, Humboldt, Lower Bull Creek
184 351.7 9.5 F-21, Humboldt, Founders Grove
185 351.5 16.3 False Giant, Humboldt, Patriarch Forest
186 351.5 8.5 Trifecta, Humboldt, Miller Flat
187 351.5 N/A PA 50 LiDAR, Humboldt, Patriarch Forest
188 351.5 N/A PA 41 LiDAR, Humboldt, Patriarch Forest
189 351.4 13.8 Ruth Lore, Formerly known as "JS2", Jedediah, Ruthlor Gulch.
190 351.4 N/A Miller Creek #4, Humboldt, Miller Flat
191 351.3 14.8 Creekview Peninsula, Humboldt, Lower Bull Creek
192 351.3 19.4 Wormwood Giant, Prairie, Browns Creek
193 351.3 17.2 Bushy Toe, Humboldt, Harper Flat
194 351.3 11.0 Thor Spire, Humboldt, Harper Flat
195 351.2 12.0 Mobius, Humboldt, Calf Creek Flat
196 351.2 17.2 Thunderbolt, Humboldt, Patriarch Forest
197 351.2 N/A 55 LiDAR, Humboldt, Lower Bull Creek Flat
198 351.2 11.7 Canfield, Humboldt, Founders Grove
199 351.1 N/A Enchantment, Humboldt, Miller Creek Flat
200 351.1 12.4 Two Headed, Formerly konwn as "Boundary Tree", Humboldt, Founders Grove
201 351.1 12.8 Tom McDonald, Redwood, Tom McDonald Creek
202 351.1 14.0 Creekview, Humboldt, Lower Bull Creek Flat
203 351.0* N/A T28, Redwood, McArthur Creek.
204 350.9 12.5 Tear Drop, Formerly known as "Mosque", Humboldt, Founders Grove
205 350.8 12.5 Kent II, Humboldt, Kent Grove
206 350.7 N/A Harold Ferm, Humboldt, Millennium Grove
207 350.7 14.6 Evelyn Ferm, Humboldt, Founders Grove
208 350.6 10.3 Tenador, Humboldt, Patriarch Forest
209 350.5 N/A PA 46 LiDAR, Formerly known as "UT39", Humboldt, Patriarch Forest
210 350.5 13.5 UT15, Humboldt, Federation Grove
211 350.4 N/A Soletude Heights, Redwoods, Soletude Grove
212 350.4 N/A Trillium Tower, Humboldt, Upper Flat
213 350.4 11.6 Gravel Bar, Redwood, Tall Trees Grove
214 350.4 N/A Haystack Needle, Formerly know as "Expansion", Humboldt, Miller Flat
215 350.3 N/A PA 48 LiDAR, Humboldt, Patriarch Forest
216 350.3 15.9 PC 107.2 LiDAR, Formerly known as "TT16", Prairie, Browns Creek Tributary. ~
217 350.3* 11.7 Javelin, Humboldt, Founders Grove
218 350.2 10.5 U-5, Humboldt, Upper Bull Creek Flat
219 350.2 3.81 Scarecrow, Humboldt, Founders Grove
220 350.2 11.2 M-19, Montgomery, Lower Flat
221 350.1 N/A The Waiting, Formerly known as "Cattleguard", Humboldt, Middle Bull Creek Flat
222 350.1 N/A Calf Creek LiDAR#2, Humboldt, Calf Creek Flat
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Notable Uncommon 340' class
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106.65 349.9 10.6 North Pillar, Humboldt, Lower Bull Creek Flat
106.62 349.8 18.4 Deadwood Giant, Redwood, Tall Trees Grove
106.59 349.7 14.0 T25, Redwood, Redwood Creek
106.25 348.6 22.4 Melkor, Redwood, Redwood Creek
106.20 348.5 N/A TT14, Redwood. Upper Little Lost Man Creek.
106.16 348.3 9.6 Seaserpent, Humboldt, Harper Flat
106.16 348.3 11.0 Disco, Humboldt, Federation Grove
106.10 348.1 N/A S2, Redwood, Redwood Creek Tributary
105.97 347.7 N/A T47, Redwood, Redwood Creek Tributary
105.92 347.5 12.5 West Slope, Redwood, Tom McDonald Creek. ~
105.92 347.5 12.0 Forty Four, Redwood, Forty Four Grove. ~
105.90 347.4 11.0 TT18, Redwood, Larry Damn Creek.
105.77 347.0 9.0 North Face, Prairie, Prairie Creek
105.75 346.9 14.0 JS4, Jedediah, East Fork Clarks Creek
105.58 346.4 13.5 Foggy Burl, Redwood, Tall Trees Grove
105.50 346.1 14.0 TT17, Redwood Creek Tributary
105.47 346.0 16.0 Steep Hill, Redwood, Tom McDonald Creek. ~
105.47 346.0 12.0 Slide Gulch, Redwood, Elam. ~
105.16 345.0 N/A Gemini, Prairie, Big Tree Grove. ~
104.85 345.0 12.5 Elam’s Beast, Redwood, Elam Creek
105.04 344.6 15.7 Hill Davis, Redwood, Tall Trees Grove
105.68 344.6 10.8 Polysprout, Hendy, Big Hendy Grove
105.01 344.5 N/A TT19, Prairie, Boyes Creek Tributary. ~
105.01 344.5 N/A T36, Redwood, Tom McDonald Creek
104.85 344.0 12.5 Jim’s Tree, Redwood, Elam Creek. ~
104.85 344.0 13.0 McArthur Creek, Redwood, McArthur Creek. ~
103.88 343.6 9.0 Turkey Vulture, Hendy, Big Hendy Grove
104.58 343.1 12.6 Soletude, Redwood, Soletude Grove
103.63 343.0 14.0 Larry Damm Tree, Redwood, Larry Damm Creek. ~
103.63 343.0 12.3 Redway, Humboldt, Whittemore Grove. ~
103.66 342.5 12.5 Ferny Glen, Grizzly, Cheatham Grove. Double Tree With Dead Top ~
103.66 342.5 11.0 ~ Deck Tree, Richardson. Grows within deck cutout on north side of visitor center
103.66 342.5 13.8 ~ Outhouse Tree, AKA 9th Tallest, Richardson, In reality this tree is more like the 457 tallest !
103.66 342.5 10.6 Backloop, Hendy, Big Hendy Grove
104.15 342.5 13.5 Humboldt, Hendy, Big Hendy Grove
104.24 342.0 N/A Broken Neck Gulch, Redwood, McArthur Creek. ~
104.24 342.0 13.3 Jedediah Smith, Jedediah, Stout Grove. ~
103.88 341.6 13.5 Butress, Hendy, Big Hendy Grove
104.09 341.5 16.5 Cheatham Giant, Grizzly, Cheatham Grove,
103.79 340.5 10.0 Van Duzen, Grizzly, Cheetham Grove. ~
103.88 340.0 8.9 Whirlaway, Hendy, Big Hendy Grove
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Michael Taylor

WNTS VP
California Big Trees Coordinator
http://www.landmarktrees.net
Last edited by M.W.Taylor on Tue Mar 17, 2015 11:57 pm, edited 12 times in total.

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PAwildernessadvocate
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Re: Now 223 Confirmed Redwoods Over 350 feet

Post by PAwildernessadvocate » Sat Aug 18, 2012 5:17 pm

Cool, thanks for this database. Is it posted elsewhere online? Makes you wonder wistfully how many 350' redwoods there may have been 200 to 300 years ago.
"There is no better way to save biodiversity than by preserving habitat, and no better habitat, species for species, than wilderness." --Edward O. Wilson

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edfrank
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Re: Now 223 Confirmed Redwoods Over 350 feet

Post by edfrank » Sat Aug 18, 2012 5:26 pm

Michael,

This is an amazing listing. Thank you.

Ed
"I love science and it pains me to think that so many are terrified of the subject or feel that choosing science means you cannot also choose compassion, or the arts, or be awe by nature. Science is not meant to cure us of mystery, but to reinvent and revigorate it." by Robert M. Sapolsky

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M.W.Taylor
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Re: Now 223 Confirmed Redwoods Over 350 feet

Post by M.W.Taylor » Sat Aug 18, 2012 6:10 pm

PAwildernessadvocate wrote:Cool, thanks for this database. Is it posted elsewhere online? Makes you wonder wistfully how many 350' redwoods there may have been 200 to 300 years ago.

At the moment, this tallest redwoods list is posted only here on the ENTS BBS. Many of these trees are new discoveries. My website's tallest redwoods list is now obsolete and will be updated by the end of the month with this list. You've seen it first on ENTS.

This new list in includes all known 350'+ redwoods by Save the Redwoods League scientists Dr. Stephen Sillett and Dr. Robert Van Pelt and all my other tree colleagues who search for, climb and measure the tallest redwoods. One particular new redwood on the list is quite remarkable. "The Pole". Its dbh is 7ft but it stands over 350 ft tall !

Michael Taylor

WNTS VP
California Big Trees Coordinator
http://www.landmarktrees.net
Last edited by M.W.Taylor on Sat Aug 18, 2012 6:16 pm, edited 1 time in total.

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dbhguru
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Re: Now 223 Confirmed Redwoods Over 350 feet

Post by dbhguru » Sat Aug 18, 2012 6:15 pm

Michael,

This list tops them all. Thanks so much for posting it. We know so much more than we used to thanks for the work of all listed.

Bob
Robert T. Leverett
Co-founder, Native Native Tree Society
Co-founder and President
Friends of Mohawk Trail State Forest
Co-founder, National Cadre

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Will Blozan
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Re: 223 Confirmed Redwoods Over 350 ft. LiDAR project conclu

Post by Will Blozan » Sun Aug 19, 2012 9:21 am

Michael,

Great list of great trees! The "Pole" tree sounds really impressive.

I am inspired to list all tuliptrees over 180' as an eastern surrugate for your west coast "super trees" list. Or maybe all trees over 180' (this would be two species; e. white pine and tuliptree). Such a list would be relatively short and easy to manage. Now we just need to come up with names...

BTW, do you have an average range of error for the LiDAR hits versus the laser heights? That would be useful information to know.

Will

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Re: 223 Confirmed Redwoods Over 350 ft. LiDAR project conclu

Post by edfrank » Sun Aug 19, 2012 9:44 am

George Foreman had like six kids name George, so I imagine a whole series of trees named Will Blozan.
"I love science and it pains me to think that so many are terrified of the subject or feel that choosing science means you cannot also choose compassion, or the arts, or be awe by nature. Science is not meant to cure us of mystery, but to reinvent and revigorate it." by Robert M. Sapolsky

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Re: 223 Confirmed Redwoods Over 350 ft. LiDAR project conclu

Post by M.W.Taylor » Sun Aug 19, 2012 3:31 pm

Will Blozan wrote:Michael,

Great list of great trees! The "Pole" tree sounds really impressive.

I am inspired to list all tuliptrees over 180' as an eastern surrugate for your west coast "super trees" list. Or maybe all trees over 180' (this would be two species; e. white pine and tuliptree). Such a list would be relatively short and easy to manage. Now we just need to come up with names...

BTW, do you have an average range of error for the LiDAR hits versus the laser heights? That would be useful information to know.

Will
Will,

In the flat areas like Humboldt Redwoods State Park the LiDAR was usually within 3 feet accuracy and tended to be on the conservative side. For steep hill areas the LIDAR often over-estimated by 20 feet more more due to the fact that redwoods tend to lean down-hill in notch canyons as they seek the open areas for more light. If the tree grows near a ravine this over-estimation from LiDAR was more the norm than the exception. Perhaps only 50% of the LiDAR hit list trees from Redwood National Park were actually trees over 350 feet. From Humboldt Redwoods State Park nearly 100% of the LiDAR returns that came back as being over 350 feet were actually trees over 350 feet when confirmed from the ground or climber deployed tape. It depends on the terrain and how well the ground/trunk interface was captured. For steep and dense canopies the ground determination is a great challenge.

Michael

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Re: 222 Confirmed Redwoods Over 350 ft. LiDAR project conclu

Post by jamesrobertsmith » Sun Aug 19, 2012 6:40 pm

I watched a redwoods documentary yesterday. Bury Me in Redwood Country, I think it was called. Were you in that? Seems I saw a familiar face in there.

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Re: 222 Confirmed Redwoods Over 350 ft. LiDAR project conclu

Post by gnmcmartin » Tue Aug 21, 2012 9:47 am

Michael:

Many many years ago, first in 1958, I visited the redwood country many times, and I may have visited the Humboldt Redwood State Park more often than the others. Way, way back, the tallest redwood was supposed to be a tree in the Founders Grove--I think it was called the Founders Tree, and initially was supposed to be 364 feet tall. Then the story was that a storm blew off a part of the top, and it was measured to be 346. Another report said that the initial measurement was recorded with transposed digits. Did you measure this one? And if so, what was the height? And was there evidence of a damaged top?

Another question: A bit out of the way, is a less often visited section of the park, which includes the Pepperwood Grove. In my memory--I was probably last there in 1970 or so--the trees there did not seem to rival those in other parts of the park. But, did you measure any there? Were there any in the 140 class?

Anyway, what an amazing piece of work you have done. I can only imagine the challenges involved in measuring these trees. Yes, the LiDAR helps you locate trees to measure, but that doesn't make the actual measurement any easier. I am stunned and amazed by what you, and others, have accomplished. Thanks!

My wife and I have not given up hope of getting out there to see these trees one last time, and your list only adds motivation. My love affair with redwoods started when I was 7 or 8 years old, and I saw the picture of two very graceful tall redwoods in G.H. Collingwoods book, Knowing Your Trees.

--Gaines

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