Search Results - "Potts, Daniel"
-
1
Parameter estimation for nonincreasing exponential sums by Prony-like methods
Published in Linear algebra and its applications (15-08-2013)“…Let zj:=efj with fj∈(-∞,0]+i[-π,π) be distinct nodes for j=1,…,M. With complex coefficients cj≠0, we consider a nonincreasing exponential sum…”
Get full text
Journal Article -
2
Ecosystem responses to water and nitrogen amendment in a California grassland
Published in Global change biology (01-11-2007)“…The world's ecosystems are experiencing simultaneous changes in the supply of multiple limiting resources. Two of these, water and nitrogen (N) can strongly…”
Get full text
Journal Article -
3
Fast and direct inversion methods for the multivariate nonequispaced fast Fourier transform
Published in Frontiers in applied mathematics and statistics (28-06-2023)“…The well-known discrete Fourier transform (DFT) can easily be generalized to arbitrary nodes in the spatial domain. The fast procedure for this generalization…”
Get full text
Journal Article -
4
Effects of seasonal drought on net carbon dioxide exchange from a woody-plant-encroached semiarid grassland
Published in Journal of Geophysical Research. B. Solid Earth (04-11-2009)“…Annual precipitation in the central and southern warm-desert region of North America is distributed climatologically between summer and winter periods with two…”
Get full text
Journal Article -
5
Diagnosing air quality changes in the UK during the COVID-19 lockdown using TROPOMI and GEOS-Chem
Published in Environmental research letters (01-05-2021)“…Abstract The dramatic and sudden reduction in anthropogenic activity due to lockdown measures in the UK in response to the COVID-19 outbreak has resulted in a…”
Get full text
Journal Article -
6
Direct and Legacy Effects of Varying Cool-Season Precipitation Totals on Ecosystem Carbon Flux in a Semi-Arid Mixed Grassland
Published in Plant, cell and environment (07-10-2024)“…In the semi-arid grasslands of the southwest United States, annual precipitation is divided between warm-season (July-September) convective precipitation and…”
Get full text
Journal Article -
7
Identifying and accounting for the Coriolis effect in satellite NO2 observations and emission estimates
Published in Atmospheric chemistry and physics (01-04-2023)“…Recent developments in atmospheric remote sensing from satellites have made it possible to resolve daily emission plumes from industrial point sources around…”
Get full text
Journal Article -
8
Precipitation temporal repackaging into fewer, larger storms delayed seasonal timing of peak photosynthesis in a semi‐arid grassland
Published in Functional ecology (01-03-2022)“…Against a backdrop of rising temperature, large portions of the western United States are experiencing fewer, larger and less frequent precipitation events…”
Get full text
Journal Article -
9
CAMELS AND THEIR RATIONS IN THE PERSEPOLIS FORTIFICATION ARCHIVE: AN ENIGMA AND ITS VARIATIONS
Published in Egitto e Vicino Oriente (01-01-2021)“…The feeding habits of camels entail exceedingly long periods (6-9 hours) of daily grazing and browsing unless fodder and/or rations are given to them as…”
Get full text
Journal Article -
10
Reshaping the Tree of Life: ecological implications of evolution in the Anthropocene
Published in Frontiers in ecology and the environment (01-03-2022)“…Novel in their scope and intensity, human‐mediated changes in genetic diversity through directed gene transfer technologies and longer standing human‐driven…”
Get full text
Journal Article -
11
Interpretable Transformed ANOVA Approximation on the Example of the Prevention of Forest Fires
Published in Frontiers in applied mathematics and statistics (26-01-2022)“…The distribution of data points is a key component in machine learning. In most cases, one uses min-max-normalization to obtain nodes in [0, 1] or Z -score…”
Get full text
Journal Article -
12
Thermography captures the differential sensitivity of dryland functional types to changes in rainfall event timing and magnitude
Published in The New phytologist (01-10-2023)“…Drylands of the southwestern United States are rapidly warming, and rainfall is becoming less frequent and more intense, with major yet poorly understood…”
Get full text
Journal Article -
13
Precipitation Pulses and Carbon Fluxes in Semiarid and Arid Ecosystems
Published in Oecologia (01-10-2004)“…In the arid and semiarid regions of North America, discrete precipitation pulses are important triggers for biological activity. The timing and magnitude of…”
Get full text
Journal Article -
14
Fast ESPRIT algorithms based on partial singular value decompositions
Published in Applied numerical mathematics (01-02-2015)“…Let h(x) be a nonincreasing exponential sum of order M. For N given noisy sampled values hn=h(n)+en(n=0,…,N−1) with error terms en, all parameters of h(x) can…”
Get full text
Journal Article -
15
Topography influences species-specific patterns of seasonal primary productivity in a semiarid montane forest
Published in Tree physiology (07-10-2020)“…Semiarid forests in the southwestern USA are generally restricted to mountain regions where complex terrain adds to the challenge of characterizing stand…”
Get full text
Journal Article -
16
Bioanalytical method validation and sample analysis for nirmatrelvir in dried blood collected using the Tasso-M20 device
Published in Bioanalysis (01-10-2022)“…A sensitive and selective method for the determination of nirmatrelvir in dried human blood collected by Tasso-M20 was developed and validated from 20.0 to…”
Get full text
Journal Article -
17
Rural land use bifurcation in the urban-rural gradient
Published in Urban ecosystems (01-06-2018)“…The classic urban-rural gradient concept assumes a decline in land use intensity from an intensively developed urban core outward to residential suburbs,…”
Get full text
Journal Article -
18
Evaluation of a cadaveric wrist motion simulator using marker-based X-ray reconstruction of moving morphology
Published in PeerJ (San Francisco, CA) (24-05-2024)“…Surgical intervention is a common option for the treatment of wrist joint arthritis and traumatic wrist injury. Whether this surgery is arthrodesis or a motion…”
Get full text
Journal Article -
19
Bloom and Bust: ecological consequences of precipitation variability in aridlands
Published in Plant ecology (01-02-2019)Get full text
Journal Article -
20
Bringing Art to Life: Social and Activity Engagement through Art in Persons Living with Dementia
Published in Clinical gerontologist (15-03-2022)“…The Bringing Art to Life (BATL) program was created as an art therapy intervention to increase social engagement, intergenerational engagement, and creative…”
Get full text
Journal Article