Results 81 to 90 of about 39,640 (314)
Lecture notes on sediment transportation and channel stability [PDF]
, 1961 These notes have been prepared for a series of lectures on sediment transportation and channel stability given by the authors to a group of engineers and geologists of the U. S. Department of Agriculture assembled at Caltech on September 12-16,1960. The
Brooks, Norman H. +2 more
core +1 more source
Primula himalayana sp. nov., a new species from eastern Himalaya, India
Nordic Journal of Botany, EarlyView.Primula himalayana sp. nov., a new species of Primulaceae, is described and illustrated from Tawang, Lutrem, 4238 m a.s.l., Arunachal Pradesh, India. It grows under Juniperus and Berberis scrub forest in an alpine meadow. The new species belong in Primula section Cordifoliae and is resembling P.
Bipankar Hajong +2 more
wiley +1 more source
The impacts of coastal protection structures in California’s Monterey Bay National Marine Sanctuary [PDF]
, 2005 This report outlines the potential impacts of coastal protection structures on the resources of the Monterey Bay National Marine Sanctuary. At least 15 miles of the Sanctuary’s 300-mile shoreline are currently armored with seawalls and riprap revetments.
Stamski, Rebecca
core
Nordic Journal of Botany, EarlyView.A new species of Lentibulariaceae, Pinguicula brendae Rodríguez‐Ramírez, H.Shimai & A.R. Andrés‐Hernández, is described based on its unique morphological characteristics. This species is restricted to limestone rock walls in the San Bartolo Tutotepec municipality, central‐eastern Hidalgo, Mexico, where it inhabits a single locality on vertical, north ...
Ernesto C. Rodríguez‐ Ramírez +2 more
wiley +1 more source
Hazards due to large wood accumulations: Local scour and backwater rise
E3S Web of Conferences, 2018 Large wood (LW) in rivers increases the flow variability and provides habitats for various species. During flood events, transported logs can accumulate at river infrastructures and increase the flood hazard.
Schalko Isabella +3 more
doaj +1 more source
Nordic Journal of Botany, EarlyView.Ouratea cidiana (Ochnaceae) is a microendemic shrub species from the Brazilian Amazonia, occurring along the banks of the Trombetas River and restricted to the Cachoeira Porteira region, in western Pará State. Since the original collection nearly forty years ago, no additional records have been made, which is concerning given the continuous decline in ...
Clebiana de Sá Nunes +4 more
wiley +1 more source
Ain Shams Engineering Journal, 2015 Scour around bridge supports such as abutments can result in structural collapse and loss of life and property, so there is a need to control and minimize the local scour depth.
Y. Abdallah Mohamed +3 more
doaj +1 more source
Erosion and deposition in interplain channels of the Maury channel system [PDF]
, 1981 Large turbidity currents originating on the insular margin of southern lceland have flowed clown a 2 500 km-long pathway comprising rise valleys, unchanneled plains and segments of erosional and depositional deep-sea channels that are collectively called
Hollister, C. D. +2 more
core +1 more source
Taxonomic novelties in subgenus Euphorbia (Euphorbiaceae) from South India
Nordic Journal of Botany, EarlyView.Extensive floristic explorations throughout southern India have uncovered some noteworthy taxonomic additions within the subgenus Euphorbia (Euphorbiaceae). Three distinct taxa of Euphorbia are described and illustrated herein as E. sankarensis, E. bahalita and E. tortilis var. mysorensis.
Sarojini Devi Naidu +1 more
wiley +1 more source
Use of high resolution sonar for near-turbine fish observations (DIDSON) - We@Sea 2007-002 [PDF]
, 2010 In this study we investigate small scale distribution of pelagic fish within a windfarm by means of a high resolution sonar (DIDSON, Dual frequency IDentification SONar; Soundmetrics).
Burggraaf, D. +5 more
core +1 more source