16 Hits in 13.0 sec

陸域生態系の炭素収支の現状診断と将来予測 : リモートセンシングの利用(<特集>植生のリモートセンシング)
Current and future prediction in forest ecosystem carbon dynamics : utilization of remote sensing(Remote sensing of vegetation)

Taku M. Saitoh, Shin Nagai, Hiroyuki Muraoka
2014 Nihon Seitai Gakkaishi  
Journal of Agricultural Meteorology, 67:75-84 Ide R, Oguma H (2013) A cost-effective monitoring method using digital time-lapse cameras for detecting temporal and spatial variations of snowmelt and  ...  vegetation phenology in alpine ecosystems.  ... 
doi:10.18960/seitai.64.3_243 fatcat:3zj7vtcw7rajvbxtvhnqqoijsu

Changing Arctic snow cover: A review of recent developments and assessment of future needs for observations, modelling, and impacts

Stef Bokhorst, Stine Højlund Pedersen, Ludovic Brucker, Oleg Anisimov, Jarle W. Bjerke, Ross D. Brown, Dorothee Ehrich, Richard L. H. Essery, Achim Heilig, Susanne Ingvander, Cecilia Johansson, Margareta Johansson (+17 others)
2016 Ambio  
In this paper, we review advances in snow monitoring and modelling, and the impact of snow changes on ecosystems and society in Arctic regions.  ...  Snow is a critically important and rapidly changing feature of the Arctic. However, snow-cover and snowpack conditions change through time pose challenges for measuring and prediction of snow.  ...  His research interests include the above and belowground response of Polar ecosystems to climate change, having great interest in the changes in winter climate and the impacts of extreme weather events  ... 
doi:10.1007/s13280-016-0770-0 pmid:26984258 pmcid:PMC4980315 fatcat:gtlqkhg4r5adfnbswbsm246m5i

Coincident aboveground and belowground autonomous monitoring to quantify covariability in permafrost, soil, and vegetation properties in Arctic tundra

Baptiste Dafflon, Rusen Oktem, John Peterson, Craig Ulrich, Anh Phuong Tran, Vladimir Romanovsky, Susan S. Hubbard
2017 Journal of Geophysical Research - Biogeosciences  
The spatially and temporally dense monitoring data sets revealed several insights about tundra system behavior at a site located near Barrow, AK.  ...  Coincident monitoring of the spatiotemporal distribution of and interactions between land, soil, and permafrost properties is important for advancing our understanding of ecosystem dynamics.  ...  Acknowledgments The Next-Generation Ecosystem Experiments (NGEE-Arctic)  ... 
doi:10.1002/2016jg003724 fatcat:oyx3ljmubjadjjocqksgebu5ze

DTA/29-2019 The Arctic as seen from Ny-Ålesund: research results, new proposals and overviews - Rome 18th and 19th March 2019 [article]

CNR DTA-Dipartimento Terra E Ambiente
2020 Figshare  
ABSTRACTSThe workshop aims to highlight the state of the art of italian research activities at the CNR Arctic Station Dirigibile Italia Ny-Ålesund – Svalbard and to define common strategies to strengthen  ...  the synergy between the different groups in relation to the new scientific emerging challenges  ...  For the snow cover monitoring a reflex camera was installed on the CCT (at a height of 9 m) and equipped with a time-lapse system able to take photos of the whole grid every hour, allowing to calculate  ... 
doi:10.6084/m9.figshare.11637738 fatcat:iayhyk454nat7jcbujhwz4i3mi

Webcam network and image database for studies of phenological changes of vegetation and snow cover in Finland, image time series from 2014 to 2016

Mikko Peltoniemi, Mika Aurela, Kristin Böttcher, Pasi Kolari, John Loehr, Jouni Karhu, Maiju Linkosalmi, Cemal Melih Tanis, Juha-Pekka Tuovinen, Ali Nadir Arslan
2018 Earth System Science Data  
We established a network of digital surveillance cameras for automated monitoring of phenological activity of vegetation and snow cover in the boreal ecosystems of Finland.  ...  </strong> In recent years, monitoring of the status of ecosystems using low-cost web (IP) or time lapse cameras has received wide interest.  ...  of cameras to FinLTSER sites and Timo Vesala (University of Helsinki) and Tuomas Laurila (FMI) and Päivi Merilä (Luke) for facilitating installations.  ... 
doi:10.5194/essd-10-173-2018 fatcat:xxtj6it72bgzjn7npghiubt4fe

The use of repeat colour digital photography to monitor high Arctic tundra vegetation

Alison Leslie Beamish
Current manual and automated methods for monitoring vegetation at the community and plot scale is both time consuming and employs expensive, sensitive multispectral instrumentation that can be cumbersome  ...  In this thesis I examine the utility of colour digital photography in monitoring tundra vegetation across four different vegetation communities, inside and outside of passive warming chambers.  ...  Developing efficient and cost effective methods of monitoring tundra vegetation is advantageous.Repeat colour digital photography is emerging as a simple and effective tool for monitoring vegetation.  ... 
doi:10.14288/1.0165640 fatcat:hr2bhdivz5codb45mihfkdjs44

Investigating grizzly bear responses to spring snow dynamics through the generation of fine spatial and temporal scale snow cover imagery in Alberta, Canada

Ethan Berman
The SNOWARP product was produced for 2000-2018 and calibrated against a network of time-lapse cameras and snow pillows.  ...  Under a changing climate, characteristics of the temporal and spatial patterns of snow are predicted to change, and as a result, there is a need to better understand how species interact with snow.  ...  First, a time-lapse camera network was established to monitor fSCA dynamics.  ... 
doi:10.14288/1.0376216 fatcat:fjjym2fw2jdvdhvjgdm72glitq

Elevation dependent landscape processes in rapidly warming sub-Arctic mountains: influences of snow, temperature and vegetation

Scott N Williamson
These effects have been particularly pronounced in the Kluane region of the southwest Yukon, making the area well suited for a detailed study of the effects of the reciprocal interactions of snow cover  ...  The last three chapters of my thesis attempts to account for various feedback processes using a combination of field measurements and modeling studies.  ...  Spatial and temporal variations of summer surface temperatures of wet polygonal tundra in Siberia -implications for MODIS LST base permafrost monitoring.  ... 
doi:10.7939/r3222rh36 fatcat:3ppf2hxnqza53ackaagppmrpq4

Thaw Slump Activity Via Close-range 'Structure from Motion' in Time-lapse Using Ground-based Autonomous Cameras

Lindsay Faye Armstrong, Université D'Ottawa / University Of Ottawa, Université D'Ottawa / University Of Ottawa
This thesis explores two methods in SfM photogrammetry: 1) aerial imaging using an unmanned aerial vehicle (UAV) and 2) ground-based imaging using stationary multi-camera time-lapse installations, to derive  ...  high-resolution temporal and spatial data for change detection.  ...  With improvements to spatial and temporal resolution of space-borne sensors over time, the length of the existing airphoto record and competitive cost of consumer grade cameras, change detection studies  ... 
doi:10.20381/ruor-21157 fatcat:fpfnp3jjxrf23aky6q2urnfum4

Integrating spatial and temporal distribution of snow dynamics into mule deer winter range habitat selection

Zoltán K. Mityók
In order to generate such SSFs, increasing spatial and temporal information regarding snow timing and distribution across the landscape was required.  ...  Therefore, the first component of this thesis was to utilize the strengths of both medium spatial resolution and high temporal resolution satellite imagery and develop a data fusion algorithm to predict  ...  Lenora Starr (SGS), Darwyn John (SGS), Denise Antione (SGS), and Nora Billy (SGS) have particularly helped a great deal in this project  ... 
doi:10.14288/1.0376804 fatcat:isbqwenohbgfdbzhujp7b7l6fu

Pollination of Rubus arcticus L. in Alberta: microclimate effects on pollinator availability and the role of pollen limitation on fruit set [article]

Cole Burns, University Of Calgary, University Of Calgary, Jana C. Vamosi
To determine the effects of microclimate on R. arcticus pollinator availability and foraging behavior, pollinator surveys were conducted using time-lapse photography which was accompanied by micrometeorological  ...  monitoring with measurements from humidity/temperature loggers, an anemometer for wind speed, and hemispherical photography for solar irradiance.  ...  Figure 3 . 2 32 Figure 3.2 The time-lapse camera set up used for the pollinator surveying.  ... 
doi:10.11575/prism/31954 fatcat:qt4u2c25q5b23p6isbqosztunq

INTERACT : Stories of Arctic Science [article]

Terry V. Callaghan, Hannele Savela
In the background, the managers of the remote research stations have worked tirelessly and used their great skills to provide the safe and productive environments in which the researchers have operated  ...  Acknowledgements This book is an added-value project to the EU Framework Programme 7 award to INTERACT (grant number 262693), International Network for Terrestrial Research and Monitoring in the Arctic  ...  Mach in Italy for molecular screening of LV (i.e. we used genetic methods to detect whether LV was present in liver tissue).  ... 
doi:10.2312/gfz.lis.2015.002 fatcat:rgbespumgbcknm7gaawru7aiv4

Colorado water, May/June 2017 [article]

(:Unkn) Unknown, Colorado State University. Libraries, Melissa Mokry
Newsletter of the CSU Water Center. Theme: Student research.  ...  Fulton and Cory A. Williams, both of the USGS for their valuable contributions as peer-reviewers. Kristine L. Verdin (USGS) provided technical guidance to generate the map and associated graphics.  ...  Moore, formerly of Colorado Mountain College, now of the John McConnell Math and Science Center, for developing the study.  ... 
doi:10.25675/10217/198515 fatcat:d3gsqpwioba6nhyq3ihs27uwaq

The Influence of a Railway on Grizzly Bears (Ursus arctos) in Canada's Rocky Mountain Parks

Sonya Z Pollock
For vegetation enhancement, I found that the railway had higher species diversity, richness, total cover, and accelerated phenology of vegetation when compared to the adjacent forest.  ...  This situation has occurred for a population of grizzly bears (Ursus arctos) in Canada's Rocky Mountain Parks, for which the leading cause of recorded mortality is collisions with trains.  ...  Acknowledgements We are grateful for extensive logistical support and funding to conduct this project from There are no competing interests for the authors of this manuscript.  ... 
doi:10.7939/r3-gyy3-kx41 fatcat:ydzcqzwr4jf5hbfzjwx4k3pnfi

Proceedings High Altitude Revegetation Workshop No. 12 Edited by ~B~Our~B~ ~B~Bar~~ In~titutB

Warren Keammerer
1996 unpublished
Personnel at DeLuca Services provided instructions on application methods and quantities for LCA-II. P. Banks, P. Scomp and J.  ...  Acknowledgements The project was designed by Lloyd Fanter, of the U.S. Army Corps of Engineers, in cooperation with Steve Lombard ofBP Exploration (Alaska), Inc. and the author.  ...  The objective in monitoring heavy metal uptake by the plants was early detection of potential vegetation and animal toxicities.  ... 
« Previous Showing results 1 — 15 out of 16 results