Sediment focusing in Mirror Lake, New Hampshire.

  • 1.90 MB
  • 6309 Downloads
  • English
by
ID Numbers
Open LibraryOL19089208M

Details Sediment focusing in Mirror Lake, New Hampshire. FB2

Analyses of multiple sediment cores from Mirror Lake, New Hampshire, dated by 14 C and pollen, show that betw b. silts and sands were deposited over 85% of the 11, b.

organic‐rich sediments were focused into the deeper parts of the basin, and no sediment accumulated in water Cited by: Sediment focusing in Mirror Lake, New Hampshire1 Margaret Bryan Davis und Mary S.

(Jesse) Ford Department of Ecology and Behavioral Biology, University of Minnesota, Minneapolis Abstract Analyses of multiple sediment cores from Mirror Lake, New Hampshire, dated by 14C andCited by: T1 - Sediment focusing in Mirror Lake, New Hampshire.

AU - Davis, Margaret B. AU - Ford, M. (Jesse) PY - Y1 - N2 - Analyses of multiple sediment cores from Mirror Lake, New Hampshire, dated by 14C and pollen, show that betw B.P. silts and sands were deposited over 85% of the by: Describes sediment focusing at Mirror Lake, New Hampshire, where a large number of cores and probes have been studied.

Discusses the relevance of the results to the interpretation of pollen-influx. The potential for temporal changes in sediment focusing to obscure the interpretation of calculated Holocene sedimentation rates was demonstrated in Mirror Lake, New Hampshire, USA. Because LH site Sediment focusing in Mirror Lake within the upper quintile of the lakebed with respect to soft sediment thickness, it is likely that accumulation rates calculated for the.

In this paper we test the utility of the mud deposition boundary depth (mud DBD) theory (Rowanet al. ) as a means of maximizing sampling efficiency in paleolimnological investigations, particularly those that apply toPb dating.

The mud DBD is defined by the relationship between near bottom wave velocity and particle threshold velocity, with wave and particle threshold theory simplified. Subbottom lake stratification is of interest to hydrology and core site selection, and in delta formation, sediment focusing and periglacial dynamics.

Mirror Lake, New Hampshire, within the Hubbard Brook research area, has long been studied, but its subbottom stratification has only been estimated from coring that revealed up to 13 m of gyttja above about 1 m of Late Wisconsin glacial silt. Abstract. Multiple cores taken throughout Nicolay Lake in the Canadian High Arctic contain laminated sediments that are interpreted as varved.

Annual sediment accumulation during the last years reveals three major patterns that have important implications for hydroclimatic reconstruction. Am Kamp-Nielson L. and Hargrave B. () Influence of bathymetry on sediment focusing in Lake Esrom.

Verh. int.

Download Sediment focusing in Mirror Lake, New Hampshire. EPUB

Verein. Limnol. 20, Kimmel B. () An evaluation of recent sediment focusing in Castle Lake (California) using a volcanic ash layer as a stratigraphic marker. Verb. int. Verein. Limnol. 20, Sediment Disturbance at Mirror Lake, New Hampshire [14] Mirror Lake is a small km 2 lake situated in the White Mountains of New Hampshire, U.

Rapid seepage occurs along a portion of the southwestern shoreline of the lake where water flows through unconsolidated coarse sand and gravel from the lake to Hubbard Brook [Mitchell et al. Lakes change constantly in response to their surrounding landscape, and their airshed.

Mirror Lake, located in the White Mountains of New Hampshire, has been carefully researched since the s. This book, edited by Thomas C. Winter and Gene E. Likens, summarizes and interprets the extensive data collected on this lake and its watershed from toa period during which the lake was.

Chemical Geology, 44 () 85 Elsevier Science Publishers B.V., Amsterdam -- Printed in The Netherlands FAYETTEVILLE GREEN LAKE, NEW YORK, U.S.A. VII. Varve Chronology and Sediment Focusing STUART D. LUDLAM Department of Zoology, University of Massachusetts, Amherst, MA (U.S.A.) (Accepted for publication Novem } ABSTRACT Ludlam.

This chapter discusses the hydrological and biogeochemical characteristics of Mirror Lake and the changes that resulted from air-land-water interactions and human activities. Since the formation of Mirror Lake, both the watershed and the lake have undergone many changes, such as vegetation development and basin filling.

These changes are ongoing, and Mirror Lake is continuing along an aging. The relationship between glacial activity and sediment production: evidence from a year varve record of neoglacial sedimentation in Hector Lake, Alberta, Canada Leonard, E.

Fayetteville Green Lake, New York, U.S.A. VII. Varve chronology and sediment focusing. Estimating the regional climate signal in a late Pleistocene and early Holocene lake-sediment δ18O record from Vermont, USA.

Quaternary Research, Vol. 86, Issue. 01, p. M.S Sediment focusing in Mirror Lake, New Hampshire. Limnology and Oceanogra (). Davis, M.B, Spear, R, and Shane, L Holocene climate of New England. Mirror Lake Tourism: Tripadvisor has 50 reviews of Mirror Lake Hotels, Attractions, and Restaurants making it your best Mirror Lake resource.

Description Sediment focusing in Mirror Lake, New Hampshire. FB2

Davis, Margaret B. "Mirror Lake and its watershed: History of the vegetation on the Mirror Lake watershed" in. An ecosystem approach to aquatic ecology: Mirror Lake and its watershed, ed. G.E. Likens, Springer, pp.

Davis, Margaret B. & Botkin. Originally published inAn Ecosystem Approach to Aquatic Ecology is a unique, comprehensive analysis of a lake ecosystem. It summarizes and integrates results from the Hubbard Brook Ecosystem Study, one of the most extensive long-term studies of a watershed ever s: 1.

The Holocene forest vegetation history of the Hubbard Brook area has been reconstructed on the basis of sediment coring of Mirror Lake, located near the valley outlet (Figure 1; Davis ).

Figure 2. Size-class distribution of tree stems in old-growth (Bowl) and second-growth northern hardwood forests (Schwarz et al. 24, articles and books. Periodicals Literature. depending on the depth of sampling and lithology of lake sediment.

The content of mineral matter varied between and %, whereas the highest values were recorded in the samples from lower parts of the cores in deeper zones of the lake. Sediment focusing in Mirror Lake, New. Mirror Lake, which is 15 ha in size, underwent striking changes in morphometry, from 24m de years ago to 10m at present, due to in~filling by sediment as shown in Fig.

Here is a quick video of Mirror Lake located in North Woodstock New Hampshire. I have been going here for over 20 years it's a great spot to fish and kayak.

Likens, G. and Davis, M. Post-glacial history of Mirror Lake and its watershed in New Hampshire, U.S.A. Initial report. International Association of Theoretical and Applied Limnology (Verhandlungen der IVL) 19, Google Scholar. Tellus (), 34, The role of lake and reservoir sediments as sinks in the perturbed global carbon cycle By PATRICK J.

MULHOLLAND and JERRY W. ELWOOD, Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TennesseeUSA. (Manuscript received Septem ; in final form January 8, ) ABSTRACT. New Hampshire (' N, ' W). The link be- tween the chestnut blight of the early decades of the 20th century and a decline in chestnut pollen percent- ages in recently deposited lake sediment is well estab- lished (Anderson ).

We used the fine-scale stra. A new technique for using the cladoceran, Bosmina longiros tris, as a routine bioassay animal was developed.2 Sediment natural water and Daphnia magna-bhitgiM {Lepomis macro. Mirror Lake, located in the White Mountains of New Hampshire, has been carefully researched since the s.

This book, edited by Thomas C. Winter and Gene E. Likens, summarizes and interprets the extensive data collected on this lake and its watershed from toa period during which the lake was affected by a variety of climate. Observed rates of sediment accumulation that increase up the core should normally indicate increasing sediment input (either autochthonous or allochthonous).

On the other hand, detailed information on basin shape is needed to break decreasing rates of sediment accumulation into components because of basin shape and decreasing sediment input. Mirror Lake Internal Phosphorus Loading and Cyanobacteria Response i DES-R-WD Mirror Lake Internal Phosphorus Loading and Cyanobacteria Response Final Report New Hampshire Department of Environmental Services Water Division, Watershed Management Bureau, Biology Section 29 Hazen Drive, Concord, NH ()   We measured several other geochemical characteristics in sediment from Mirror Lake, including C and N concentrations, C:N, and δ 13 C.

Based on standard conventions in paleolimnology, sincelake primary productivity and erosion inputs have declined in Mirror Lake (Fig. 2 B–D).The concentrations of C and N in bulk sediments, because they reflect the proportion of inorganic and.

Sediment Magnetic Proxies Reflect Post-Glacial Climate Change for East-Central New Hampshire Brittney M. Payton M.S. Sediment focusing in Mirror Lake, New Hampshire, Limnology and Oceanography, 27(1): Egli, R.

Characterization of individual rock magnetic components by analysis of remanence curves, 1. unmixing natural. To describe and analyse the role of sediments in the matter cycling in large shallow transboundary Lake Peipsi (L. Peipsi) in north-eastern Europe, detailed surface-sediment mapping was conducted.

On the basis of grain size the surface sediments fall into three groups: coarse-grained sediments (prevailingly sands in the lake’s southern part), fine-grained sediments (mainly silts) and .The Merrimack River (or Merrimac River, an occasional earlier spelling) is a mile-long ( km) river in the northeastern United States.

It rises at the confluence of the Pemigewasset and Winnipesaukee rivers in Franklin, New Hampshire, flows southward into Massachusetts, and then flows northeast until it empties into the Gulf of Maine at Newburyport.