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Ardeshir Ebtehaj

20072021
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data assimilation Earth & Environmental Sciences
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Projects 2016 2021

Robust Variational Data Assimilation under Incomplete and Inaccurate Inputs: Extremes, Biases, and Observability in Joint Assimilation of Satellite Precipitation and Soil Moisture

Ebtehaj, A. & Lerman, G.

NASA GODDARD SPACE FLIGHT CTR

8/15/18 → 8/14/21

Project: Research project

data assimilation
soil moisture
assimilation

Reducing Uncertainties in GPM Snowfall: Applications for

Ebtehaj, A.

NASA Stennis Space Center

8/1/18 → 7/31/21

Project: Research project

snowstorm
prediction

Advanced Inversion Algorithms for GPM Passive Microwave

Ebtehaj, A.

UNIVERSITY OF CALIFORNIA, IRVINE

7/25/16 → 7/24/19

Project: Research project

sensor
microwave
inversion

Science Utilization of the Soil Moisture Active-Passive

Ebtehaj, A.

Georgia Institute of Technology

6/28/16 → 6/27/19

Project: Research project

soil moisture
science

Research Output 2007 2018

  • 20 Article
  • 2 Conference contribution

The St. Anthony Falls Laboratory: 80 Years of Progress Part 2A Transition to Environmental Research

Stefan, H., Ellis, C., Gulliver, J. S., Hondzo, M., Paola, C., Marr, J., Hill, K. M., Guala, M., Ebtehaj, A., Voller, V. R., Erickson, A., Kozarek, J. & Hansen, A. T., Jan 1 2018, World Environmental and Water Resources Congress 2018: International Perspectives, History and Heritage, Emerging Technologies, and Student Papers - Selected Papers from the World Environmental and Water Resources Congress 2018. Kamojjala, S. (ed.). American Society of Civil Engineers (ASCE), p. 151-184 34 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

environmental research
fluid mechanics
Fluid mechanics
Water quality
Hydraulic structures
1 Citations

A multi-sensor data-driven methodology for all-sky passive microwave inundation retrieval

Takbiri, Z., Ebtehaj, A. & Foufoula-Georgiou, E., Jun 8 2017, In : Hydrology and Earth System Sciences. 21, 6, p. 2685-2700 16 p.

Research output: Contribution to journal › Article

sensor
methodology
water level
timescale
Aqua (satellite)
2 Citations

Bias-corrected data sets of climate model outputs at uniform space–time resolution for land surface modelling over Amazonia

Moghim, S., McKnight, S. L., Zhang, K., Ebtehaj, A. M., Knox, R. G., Bras, R. L., Moorcroft, P. R. & Wang, J., Feb 1 2017, In : International Journal of Climatology. 37, 2, p. 621-636 16 p.

Research output: Contribution to journal › Article

land surface
climate modeling
climate
modeling
regional climate
1 Citations

Combined assimilation of satellite precipitation and soil moisture: A case study using TRMM and SMOS data

Lin, L. F., Ebtehaj, A. M., Flores, A. N., Bastola, S. & Bras, R. L., Dec 1 2017, In : Monthly Weather Review. 145, 12, p. 4997-5014 18 p.

Research output: Contribution to journal › Article

SMOS
TRMM
soil moisture
data assimilation
humidity
4 Citations

Microwave retrievals of terrestrial precipitation over snow-covered surfaces: A lesson from the GPM satellite

Ebtehaj, A. & Kummerow, C. D., Jun 28 2017, In : Geophysical Research Letters. 44, 12, p. 6154-6162 9 p.

Research output: Contribution to journal › Article

precipitation measurement
snow
retrieval
microwaves
microwave signatures