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"Snapped"
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UAV Video-Based Approach to Identify Damaged Trees in Windthrow Areas
2022
Disturbances in forest ecosystems are expected to increase by the end of the twenty-first century. An understanding of these disturbed areas is critical to defining management measures to improve forest resilience. While some studies emphasize the importance of quick salvage logging, others emphasize the importance of the deadwood for biodiversity. Unmanned aerial vehicle (UAV) remote sensing is playing an important role to acquire information in these areas through the structure-from-motion (SfM) photogrammetry process. However, the technique faces challenges due to the fundamental principle of SfM photogrammetry as a passive optical method. In this study, we investigated a UAV video-based technology called full motion video (FMV) to identify fallen and snapped trees in a windthrow area. We compared the performance of FMV and an orthomosaic, created by the SfM photogrammetry process, to manually identify fallen and snapped trees, using a ground survey as a reference. The results showed that FMV was able to identify both types of damaged trees due to the ability of video to deliver better context awareness compared to the orthomosaic, although providing lower position accuracy. In addition to its processing being simpler, FMV technology showed great potential to support the interpretation of conventional UAV remote sensing analysis and ground surveys, providing forest managers with fast and reliable information about damaged trees in windthrow areas.
Journal Article
Successful surgical management of sixth nerve palsy by transposition of a previously snapped and retrieved inferior rectus muscle
by
Akbari, Mohammad Reza
,
Nikdel, Mojgan
,
Sadeghi, Arash Mirmohammad
in
Neurological disorders
,
Polyesters
,
Sixth nerve palsy
2018
To report a case of intraoperative rupture of inferior rectus muscle, which was retrieved and later successfully transposed for management of sixth nerve palsy.
Case report.
A 36-year-old woman presented with traumatic right sixth nerve palsy and esotropia following a car accident five years earlier. During the originally planned vertical transposition surgery, the inferior rectus muscle snapped, but was retrieved and resutured to the sclera 3 mm posterior to the original insertion. After a few months, the second attempt of transposition of vertical recti (including the previously snapped and reattached inferior rectus) was successful, and the patient achieved satisfactory postoperative alignment.
Intraoperative rupture of an extraocular muscles is a rare and serious complication encountered during strabismus surgery. However, if successfully retrieved, this muscle has still the chance of future re-operation.
Journal Article
Factors determining the modes of tree death in three Bornean rain forests
2001
Mode of tree death in relation to topography was examined in three lowland rain forests; Belalong and Andalau, in Brunei Darussalam and Danum, in Sabah, East Malaysia. In total, 1543 dead trees ≥ 20 cm diameter at breast height (DBH) were enumerated in an area of 36 ha. In Belalong, 31 % of the dead trees had died standing, 26 % had snapped, 21 % had uprooted, 19% had either died-standing or snapped and 3 % remained undetermined (n = 436). In Andalau, 46 % had died standing, 11 % had snapped, 14 % had uprooted, 26 % had either died standing or snapped and 3 % remained undetermined (n = 591). In Danum, 37 % had died standing, 22 % had snapped, 14% had uprooted, 24 % had either died-standing or snapped and 3 % remained undetermined (n = 516). Slope position, e.g. whether the tree was located in a valley, midslope, upper slope or ridge, was related to mode of death in all three sites. Elevation and tree diameter were related in two of the sites, and drainage, soil depth and soil shear strength were related in one of the sites. Generally the proportion of standing deaths increased moving from the valleys up to the ridge tops while uprooting proportions had the converse relationship. Slope position had little effect on the proportions of snapped trees. The three modes of death create different types of gaps. The findings substantiate that different topographies have different proportions of these gap types. The predominant gap type may have consequences for local and regional differences in forest structure and composition.
Journal Article
Canopy tree mode of death in a western Ecuadorian rain forest
by
Gale, Neil
,
Barfod, Anders S.
in
Animal and plant ecology
,
Animal, plant and microbial ecology
,
Autoecology
1999
All dead trees ≥ 20 cm DBH were counted in the first 6 mo of 1994 in 10 ha of wet lowland rain forest, in the Hoja Blanca Hills, western Ecuador. The trees were classified by their mode of death. Thirty-four per cent of the trees were uprooted, 35% had snapped, 15% had died standing and 16% were unclassified. Regression analyses found that slope position and whether an individual was a dicotyledonous tree or a palm (Iriartea deltoidea) to be both strongly related to the mode of death. Slope, altitude and the presence of buttresses also influenced the mode of tree death. Tree diameter, however, was not found to have any effect. Dicotyledonous trees predominantly uprooted and snapped while Iriartea mostly died standing and snapped. Uprooted and snapped trees were significantly spatially clumped while trees which died standing were distributed at random. It was concluded that the predominance of uprooting and snapping in Hoja Blanca mostly resulted from the steep terrain and high precipitation (c. 5000 mm y−1) as well as El Niño Southern Oscillation (ENSO) downpours. The implications of mode of death are discussed. The different modes created different types of gaps and could thereby potentially influence forest regeneration.
Journal Article
Chapter 6 - Associate Violence
2016
All organizations have a risk of violence in the workplace and all have the ability to see the various warning signal behaviors that occur prior to that violence, provided the perpetrators are known to the organization. When an organization builds a program designed to prevent violence, it must ensure that the goal is to detect these behaviors early enough to allow for proper management of the situation. The vast majority of the cases of violence or threats of violence in the workplace are not the highly publicized mass shooting cases, which are few, but rather they are the more common stalking, harassing, and intimidating behaviors that can lead to violence. These actions must be treated as precursors to violence and not allowed to persist. Far too often organizations tolerate or overlook disturbing behavior only to have it erupt in actual violence. Becoming well versed in the warning behaviors of those moving toward violence is a significant step toward preventing that violence.
Book Chapter
RIDING TO THE TOP
2007
\"If we're standing up here, we have this lofty view because we're standing on the shoulders of giants who've come before us,\" said Sugarland's Jennifer Nettles.
Newspaper Article
When Bad Women Generate Good Ratings
2007
''Snapped,'' which made its debut three years ago, is about women who murder. It remains among Oxygen's highest-rated shows, having had an instrumental role in recasting women's television away from its celebrations of victimhood to its new fetish for female aberrance. (''Snapped'' is rivaled in popularity on Oxygen only by ''The Bad Girls Club,'' a reality show whose title precludes the need for any explanation.) A young woman named Irene, featured in a recent episode on obsessive-compulsive disorder, had been 200 pounds and lost 85, we are told. Still, she thought she was way too big. ''I made a tape and listen to myself say, 'You're fat, you're fat, you're fat,' just nonstop,'' she explains. ''Right now I'm 5 feet, 5 inches and weigh 115 pounds. I don't think that's acceptable. Once I hit 100, that would be perfect. That would be perfection at its finest.'' ''Secret Lives of Women'' has helped to popularize the term ''cougars'' with its installment on older women who date younger men. In an episode on cheating, a woman named Dawn, a private investigator from New Jersey, presents herself as doing the Lord's working by helping women catch their husbands in acts of adultery.
Newspaper Article
Fashion: Command Attention
2007
Confidence is the watchword. Today's most sought-after staples have moxie, a lot of sheen—and are definitely not for the faint of heart.
Magazine Article